Greenhouse Gas (GHG) Emissions Reduction Opportunities

GHG Transportation Planning Standard

On December 16, 2021, the Transportation Commission voted to approve CDOT's new GHG Planning Standard to reduce greenhouse gas emissions from the transportation sector, improve air quality and reduce smog, and provide more travel options. The GHG Pollution Reduction Planning Standard is one of several transportation strategies identified in the state’s Greenhouse Gas (GHG) Pollution Reduction Roadmap and is a key requirement established in the 2021 state transportation funding bill (SB260). 

The Standard focuses on transportation planning — the process for how CDOT and the state’s largest metropolitan regions select future transportation projects. Long before a transportation project is built, it is first identified in plans developed with local public input. These plans often include a decade or more of projects and thus represent a short- and medium-term vision for coming changes. Review CDOT’s current 10-year plan online here.

The GHG Pollution Standard Rule would require CDOT and the state’s five Metropolitan Planning Organizations to determine the total pollution and greenhouse gas emission increase or decrease expected from future transportation projects and take steps to ensure that greenhouse gas emission levels do not exceed set reduction amounts. This approach will also streamline the planning and delivery of innovations that have proven successful in improving quality of life and air quality, like adding sidewalks, improving downtowns for active transportation with “complete streets,” improving local and intercity transit and first-and-last-mile connectivity to transit facilities, and adding bike-shares. This policy recognizes that the transportation projects we build have an impact on how Coloradans travel and encourages choices for travelers across the state.

Rulemaking Process

Publication of the draft standard on Aug. 13, 2021, began a 60-day public review period. During that time, CDOT hosted public hearings in Grand Junction, Glenwood Springs, Fort Collins, Denver metropolitan area, Colorado Springs, Durango and Limon.

Using the written comments and public testimony that have been received, the Commission has decided to release a revised draft of the proposed rule revisions that reflects input from the public on October 19, 2021.

The Commission initially noticed the deadline for written public comments to be Oct. 15, 2021, by midnight. Based on written comments and public testimony that have been received, the Commission decided to extend the time period to submit written comments on the proposed rulemaking, and specifically the revised draft, until Nov. 18, 2021, by noon (MST).

To allow for public comment on the revised draft, a 10th and final public hearing was held.

About the Proposed Rule

Older Materials

Proposed Standard (August 13, 2021 Version)

Documentos en Español: 

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Rulemaking Timeline


Other Materials