I-70 Mountain Corridor, Colorado Department of Transportation

Programmatic Environmental Impact Statement

The Programmatic Environmental Impact Statement is charged with developing and analyzing the transportation problems, solutions, impacts and mitigations along the I-70 Mountain corridor. The Final PEIS and Record of Decision will document the process and decisions made in the Collaborative Effort. CDOT leads this FHWA sponsored effort. Click here for more information.

Collaborative Effort

The Collaborative Effort is an element of the PEIS and was designed to facilitate stakeholder discussions about the transportation alternatives for the I-70 Mountain Corridor. Professional facilitators worked with all stakeholders to design a process for collectively developing a recommended alternative. The Collaborative Effort resulted in the Consensus Recommendation. Click here for more information.

I-70 Context Sensitive Solutions

This process has coordinated all of the CDOT I-70 Mountain Corridor projects and processes, and has developed the Core Values and CSS Guidance that will be the framework for all current and future projects along the corridor. Click here to go to the I-70 Mountain Corridor CSS Guidance Web site. Click here for more information on the I-70 Mountain Corridor CSS process.

I-70 PEIS Project Leadership Team

Click on PEIS Leadership Team for Member and Meeting Information

I-70 Coalition

This coalition was formed to enhance public accessibility and mobility in the I-70 Central Mountain Corridor and adjoining dependent counties and municipalities through the implementation of joint public & private transportation management efforts. Use this link to jump to the I-70 Coalition website. Click here for more information.

Current & Upcoming Corridor Projects

Learn more about current and upcoming projects taking place on the I-70 Mountain Corridor between Jefferson County and Glenwood Springs.


Welcome The Colorado Department of Transportation (CDOT) has redesigned this Web page in order to better serve the Interstate 70 Mountain Corridor. Please note new features, including links to Mountain Corridor projects and an event calendar. We’re Shifting Gears The CDOT is pleased to announce that all information relating to I-70 Mountain Corridor construction and planning projects will be provided electronically, including that on the Programmatic Environmental Impact Statement (PEIS)/Collaborative Effort and Context Sensitive Solutions (CSS).
Corridor Calendar Find out what's happening on the I-70 Mountain Corridor. Check the upcoming schedule on our calendar.	Programmatic Environmental Impact Statement The Programmatic Environmental Impact Statement is charged with developing and analyzing the transportation problems, solutions, impacts and mitigations along the I-70 Mountain corridor. The Final PEIS and Record of Decision will document the process and decisions made in the Collaborative Effort. CDOT leads this FHWA sponsored effort. Click here for more information. Collaborative Effort The Collaborative Effort is an element of the PEIS and was designed to facilitate stakeholder discussions about the transportation alternatives for the I-70 Mountain Corridor. Professional facilitators worked with all stakeholders to design a process for collectively developing a recommended alternative. The Collaborative Effort resulted in the Consensus Recommendation. Click here for more information. I-70 Context Sensitive Solutions This process has coordinated all of the CDOT I-70 Mountain Corridor projects and processes, and has developed the Core Values and CSS Guidance that will be the framework for all current and future projects along the corridor. Click here to go to the I-70 Mountain Corridor CSS Guidance Web site. Click here for more information on the I-70 Mountain Corridor CSS process. I-70 PEIS Project Leadership Team Click on PEIS Leadership Team for Member and Meeting Information I-70 Coalition This coalition was formed to enhance public accessibility and mobility in the I-70 Central Mountain Corridor and adjoining dependent counties and municipalities through the implementation of joint public & private transportation management efforts. Use this link to jump to the I-70 Coalition website. Click here for more information. Current & Upcoming Corridor Projects Learn more about current and upcoming projects taking place on the I-70 Mountain Corridor between Jefferson County and Glenwood Springs.
For more information, call the I-70 Mountain Corridor Hotline at 1-877-I70-RULES (470-7853)
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