Transportation

VMT/GHG Impact Mitigation

State departments of transportation (DOTs) have the primary role in transportation system planning, in consultation with transit agencies and federal, Tribal, municipal, and county governments. Decisions transportation investments are made during statewide and metropolitan transportation planning processes that are largely guided by federal laws. During these planning processes, DOTs identify and scope new projects based on factors such as transportation system needs, funding availability, local planning processes, safety, and other priorities. However, these planning processes often do not account for impacts to statewide greenhouse gas (GHG) emissions or vehicle miles traveled (VMT), so planning can run counterproductive to state climate goals.

To better align with climate goals and expand transportation options, states can establish policies or practices that prioritize VMT or GHG emissions reductions alongside their other transportation objectives when selecting projects to fund. DOTs can implement methods to estimate the GHG emissions and travel-related impacts of specific projects, and use that information to prioritize different projects. States have taken different approaches to climate-aligned transportation planning. Some states focus on GHG emissions impacts, while others measure VMT impacts, and a few states consider both GHGs and VMTs. States also vary in their approaches to measuring and mitigating project impacts, whether that occurs at the individual project level or for the overall investment portfolio.

Under this framework, projects with expected increases to emissions or vehicle travel must include measures to mitigate these impacts. Mitigation measures typically include transit expansion or service improvements, active transportation infrastructure expansion or improvements, travel demand management, micromobility infrastructure and service, and transit-oriented development. Emissions-focused mitigation measures can also include natural systems improvements such as reforestation, afforestation, wetlands conservation, or ecosystem restoration.

States with Policy Enacted

In Progress

Partially Enacted

See States List

Key Resources

Why more states are passing laws to help people drive less

An article analyzing recent successes and failures in state legislative efforts to minimize VMTs through transportation planning.
2026
Source:

Aligning Transportation Planning with State Climate Goals

An issue brief outlining the components of a performance-based transportation planning framework and identifying actions that state DOTs can take to incorporate climate-related considerations into the planning process.

The Domino Effect: States Prioritize Affordable Transportation Choices over Traffic

An article that highlights state policies requiring climate-aligned transportation planning, with state-by-state GHG emissions, cost, and health benefits from a 20 percent reduction in VMT.
2025
Source:

A growing number of states are taking steps to align transportation planning decisions with climate targets

An article analyzing state efforts to align transportation planning with GHG targets.

Model States

California

The Sustainable Communities & Climate Protection Act requires CARB to set regional targets for reducing passenger vehicle greenhouse gas emissions in 2020 and 2035. Each of the 18 metropolitan planning organization (MPO) regions receives their own targets, and must prepare a Sustainable Communities Strategy (SCS) every four years, outlining how their land-use, housing, and transportation strategy will meet the regional target.

Under California Environmental Quality Act (CEQA) guidelines, California agencies must consider whether proposed capacity-increasing transportation projects are consistent with relevant state and local plans, including regional transportation plans and CARB's Scoping Plans, and estimate their VMT and GHG impacts. If proposed projects, such as highway expansion, are expected to increase VMT, then California agencies must consider actions to mitigate the expected increases in VMT and GHG emissions.

California

The Sustainable Communities & Climate Protection Act requires CARB to set regional targets for reducing passenger vehicle greenhouse gas emissions in 2020 and 2035. Each of the 18 metropolitan planning organization (MPO) regions receives their own targets, and must prepare a Sustainable Communities Strategy (SCS) every four years, outlining how their land-use, housing, and transportation strategy will meet the regional target.

Under California Environmental Quality Act (CEQA) guidelines, California agencies must consider whether proposed capacity-increasing transportation projects are consistent with relevant state and local plans, including regional transportation plans and CARB's Scoping Plans, and estimate their VMT and GHG impacts. If proposed projects, such as highway expansion, are expected to increase VMT, then California agencies must consider actions to mitigate the expected increases in VMT and GHG emissions.

Colorado

The GHG Pollution Reduction Planning Standard requires CDOT and the state’s five Metropolitan Planning Organizations (MPOs) to determine the total air pollution and GHG emission impacts expected from new "regionally significant transportation capacity projects". The Standard sets 2025, 2030, 2040, and 2050 GHG reduction levels for each regional area and CDOT overall. CDOT and the MPOs must adopt "GHG Mitigation Measures" to offset increased GHG emissions from projects to stay in compliance with the GHG reduction targets.

Colorado

The GHG Pollution Reduction Planning Standard requires CDOT and the state’s five Metropolitan Planning Organizations (MPOs) to determine the total air pollution and GHG emission impacts expected from new "regionally significant transportation capacity projects". The Standard sets 2025, 2030, 2040, and 2050 GHG reduction levels for each regional area and CDOT overall. CDOT and the MPOs must adopt "GHG Mitigation Measures" to offset increased GHG emissions from projects to stay in compliance with the GHG reduction targets.

Minnesota

A "highway capacity expansion" project or portfolio must perform an impact assessment to determine if the project aligns with the state’s GHG emissions reduction and VMT reduction targets prior to inclusion in the State Transportation Improvement Program (STIP) or a metropolitan Transportation Improvement Program (TIP). If a project is not consistent with the goals, MnDOT must address the impacts by either modifying the scope or design, halting the project, or offsetting impacts. There are 10 categories that projects could use to offset the potential impacts.

Between February 2025 and July 2027, the law applies to highway expansion projects only. Starting in August 2027, MnDOT must evaluate the climate impact of their entire portfolio of planned highway projects for FY 2031 and onward to ensure that it is in line with the state’s climate goals.

Minnesota

A "highway capacity expansion" project or portfolio must perform an impact assessment to determine if the project aligns with the state’s GHG emissions reduction and VMT reduction targets prior to inclusion in the State Transportation Improvement Program (STIP) or a metropolitan Transportation Improvement Program (TIP). If a project is not consistent with the goals, MnDOT must address the impacts by either modifying the scope or design, halting the project, or offsetting impacts. There are 10 categories that projects could use to offset the potential impacts.

Between February 2025 and July 2027, the law applies to highway expansion projects only. Starting in August 2027, MnDOT must evaluate the climate impact of their entire portfolio of planned highway projects for FY 2031 and onward to ensure that it is in line with the state’s climate goals.

Oregon

With updates to a transportation system plan or regional transportation plan, cities and counties with populations larger than 5,000 must forecast their VMT per capita of "financially-constrained projects," including anticipated roadway expansions.

City and county plans may only be adopted if projected VMT per capita for the horizon year is lower than the plan’s baseline year. Metro's regional transportation plan may only be adopted if projected VMT per capita for the horizon year is lower than the plan’s baseline year and is consistent with Metro's GHG reduction targets.

2022
Establishing Policies

Oregon

With updates to a transportation system plan or regional transportation plan, cities and counties with populations larger than 5,000 must forecast their VMT per capita of "financially-constrained projects," including anticipated roadway expansions.

City and county plans may only be adopted if projected VMT per capita for the horizon year is lower than the plan’s baseline year. Metro's regional transportation plan may only be adopted if projected VMT per capita for the horizon year is lower than the plan’s baseline year and is consistent with Metro's GHG reduction targets.

2022
Establishing Policies

VMT/GHG Impact Mitigation By State

Filters
Status State Sort descending Region Components Year Enacted
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
West
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Enacted
Empty column

The Sustainable Communities & Climate Protection Act requires CARB to set regional targets for reducing passenger vehicle greenhouse gas emissions in 2020 and 2035. Each of the 18 metropolitan planning organization (MPO) regions receives their own targets, and must prepare a Sustainable Communities Strategy (SCS) every four years, outlining how their land-use, housing, and transportation strategy will meet the regional target.

Under California Environmental Quality Act (CEQA) guidelines, California agencies must consider whether proposed capacity-increasing transportation projects are consistent with relevant state and local plans, including regional transportation plans and CARB's Scoping Plans, and estimate their VMT and GHG impacts. If proposed projects, such as highway expansion, are expected to increase VMT, then California agencies must consider actions to mitigate the expected increases in VMT and GHG emissions.

Empty column
West 2025
Enacted
Empty column

The Sustainable Communities & Climate Protection Act requires CARB to set regional targets for reducing passenger vehicle greenhouse gas emissions in 2020 and 2035. Each of the 18 metropolitan planning organization (MPO) regions receives their own targets, and must prepare a Sustainable Communities Strategy (SCS) every four years, outlining how their land-use, housing, and transportation strategy will meet the regional target.

Under California Environmental Quality Act (CEQA) guidelines, California agencies must consider whether proposed capacity-increasing transportation projects are consistent with relevant state and local plans, including regional transportation plans and CARB's Scoping Plans, and estimate their VMT and GHG impacts. If proposed projects, such as highway expansion, are expected to increase VMT, then California agencies must consider actions to mitigate the expected increases in VMT and GHG emissions.

Empty column
West 2025
Enacted
Empty column

The GHG Pollution Reduction Planning Standard requires CDOT and the state’s five Metropolitan Planning Organizations (MPOs) to determine the total air pollution and GHG emission impacts expected from new "regionally significant transportation capacity projects". The Standard sets 2025, 2030, 2040, and 2050 GHG reduction levels for each regional area and CDOT overall. CDOT and the MPOs must adopt "GHG Mitigation Measures" to offset increased GHG emissions from projects to stay in compliance with the GHG reduction targets.

Empty column
West 2021
Enacted
Empty column

The GHG Pollution Reduction Planning Standard requires CDOT and the state’s five Metropolitan Planning Organizations (MPOs) to determine the total air pollution and GHG emission impacts expected from new "regionally significant transportation capacity projects". The Standard sets 2025, 2030, 2040, and 2050 GHG reduction levels for each regional area and CDOT overall. CDOT and the MPOs must adopt "GHG Mitigation Measures" to offset increased GHG emissions from projects to stay in compliance with the GHG reduction targets.

Empty column
West 2021
In-Progress
Empty column

By July 1, 2028, the DOT must develop and implement a plan to ensure that transportation projects included in the State Transportation Improvement Program (STIP) do not exceed the GHG reduction targets that the DOT must establish by October 2030.

The plan must include: a definition of "transportation project"; the methodology for calculating GHG emissions from future transportation projects; and a description of "carbon dioxide mitigation transportation projects" that can include improvements to public and active transportation, and installation of EV charging infrastructure.

Establishing Policies
Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
West
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
West
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
West
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Enacted
Empty column

A "highway capacity expansion" project or portfolio must perform an impact assessment to determine if the project aligns with the state’s GHG emissions reduction and VMT reduction targets prior to inclusion in the State Transportation Improvement Program (STIP) or a metropolitan Transportation Improvement Program (TIP). If a project is not consistent with the goals, MnDOT must address the impacts by either modifying the scope or design, halting the project, or offsetting impacts. There are 10 categories that projects could use to offset the potential impacts.

Between February 2025 and July 2027, the law applies to highway expansion projects only. Starting in August 2027, MnDOT must evaluate the climate impact of their entire portfolio of planned highway projects for FY 2031 and onward to ensure that it is in line with the state’s climate goals.

Empty column
Midwest 2024
Enacted
Empty column

A "highway capacity expansion" project or portfolio must perform an impact assessment to determine if the project aligns with the state’s GHG emissions reduction and VMT reduction targets prior to inclusion in the State Transportation Improvement Program (STIP) or a metropolitan Transportation Improvement Program (TIP). If a project is not consistent with the goals, MnDOT must address the impacts by either modifying the scope or design, halting the project, or offsetting impacts. There are 10 categories that projects could use to offset the potential impacts.

Between February 2025 and July 2027, the law applies to highway expansion projects only. Starting in August 2027, MnDOT must evaluate the climate impact of their entire portfolio of planned highway projects for FY 2031 and onward to ensure that it is in line with the state’s climate goals.

Empty column
Midwest 2024
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
West
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
West
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southwest
Enacted
Empty column

With updates to a transportation system plan or regional transportation plan, cities and counties with populations larger than 5,000 must forecast their VMT per capita of "financially-constrained projects," including anticipated roadway expansions.

City and county plans may only be adopted if projected VMT per capita for the horizon year is lower than the plan’s baseline year. Metro's regional transportation plan may only be adopted if projected VMT per capita for the horizon year is lower than the plan’s baseline year and is consistent with Metro's GHG reduction targets.

Establishing Policies
Empty column
West 2022
Enacted
Empty column

With updates to a transportation system plan or regional transportation plan, cities and counties with populations larger than 5,000 must forecast their VMT per capita of "financially-constrained projects," including anticipated roadway expansions.

City and county plans may only be adopted if projected VMT per capita for the horizon year is lower than the plan’s baseline year. Metro's regional transportation plan may only be adopted if projected VMT per capita for the horizon year is lower than the plan’s baseline year and is consistent with Metro's GHG reduction targets.

Establishing Policies
Empty column
West 2022
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
West
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Northeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
In-Progress
Empty column

Washington has 2020, 2035, and 2050 VMT per capita reduction goals and the Departments of Transportation, Ecology, and Commerce were directed to identify ways to measure VMT and strategies to reduce VMT in line with these goals.

Empty column
West 2008
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Southeast
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
Midwest
Not Enacted
Empty column

Greenhouse gas (GHG) and vehicle miles traveled (VMT) impact mitigation requires state and local governments to align large transportation projects, typically highway expansions, with their climate targets. In some states, these projects must include mitigation measures, such as public transit investments, that offset or lower estimated increases in GHGs and/or VMTs.

Empty column
West

The State Climate Policy Dashboard tracks only passed policies and does not include bills currently proposed in legislative sessions. The website is intended to illustrate the current status of policies for each state, as well as key resources and model states for each policy.

Much of the information contained in this database is derived from the public domain, with links to resources provided. The information provided is made available solely for general information purposes and does not constitute legal advice. Click here for full Terms of Use.

Report an issue
See something we’re missing or a needed correction in our data?