Catalog Search Results
Pub. Date
2010.
Description
Section 106 Determinations of Effects I-70 East DEIS Highway Administration (FHWA) and the Colorado Department of Transportation (CDOT). The intent of the EIS is to identify highway improvements along I-70 in the Denver metropolitan area between I-25 and Tower Road and to assess their potential effects on the human and natural environment.
Pub. Date
2014.
Description
The Twin Tunnels project will add an additional lane of highway capacity and improve roadway geometry for about 3 miles of eastbound I-70 from the East Idaho Springs Interchange (milepost 241) to the base of Floyd Hill (milepost 244) where the project ties into an existing three-lane section. The eastbound bore of the Twin Tunnels will be expanded to accommodate the widened roadway section.
Pub. Date
2009.
Description
A detailed environmental analysis was conducted and potential impacts associated with the No Action Alternative and Preferred Alternative were documented. Mitigation measures to be implemented with the Preferred Alternative were identified in the EA. No significant impacts to the environment were identified during the course of this study.
Pub. Date
2009.
Description
In a cooperative effort, the Federal Highway Administration (FHWA), the Colorado Department of Transportation (CDOT), and the City and County of Denver (CCD) have prepared this Environmental Assessment (EA) for a proposed new interchange on Interstate 70 (I-70) with Central Park Boulevard (CPB) in Denver, Colorado. The proposed project will create new access to I-70, constituting a Federal Action subject to the National Environmental Policy Act (NEPA)....
Pub. Date
2012.
Description
The Twin tunnels project proposes to add a third eastbound travel lane on I-70 between the Idaho Springs East Interchange (milepost 241) to the base of Floyd Hill (milepost 244) where a three-lane highway section currently exists. The project is approximately two and a half miles long and includes widening the eastbound bore of the Twin tunnels.
Pub. Date
2013.
Description
This Final Environmental Impact Statement (FEIS) and Section 4(f) evaluation describes the transportation and environmental impacts associated with proposed improvements to Interstate 25 (I-25) through the City of Pueblo, Colorado. The roadway in this section pre-dates the interstate system and is among the oldest segments of the interstate system in Colorado. This segment of I-25 contains structural and operational deficiencies. Two Build Alternatives...
Pub. Date
2012.
Description
The Twin Tunnels project will add an additional lane of highway capacity and improve roadway geometry for about 3 miles of eastbound I-70 from the East Idaho Springs Interchange (milepost 241) to the base of Floyd Hill (milepost 244) where the project ties into an existing three-lane section. The eastbound bore of the Twin Tunnels will be expanded to accommodate the widened roadway section.
Pub. Date
2016.
Description
This Final EIS updates the analysis for the Supplemental Draft EIS alternatives, and identifies a preferred alternative. This document also responds to the stakeholder comments received during the Supplemental Draft EIS public review period. The Preferred Alternative is identified as the Partial Cover Lowered Alternative with Managed Lanes Option.
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