Twin tunnels finding of no significant impact and section 4(f) finding, Clear Creek County : submitted pursuant to 42 U.S.C. 4332 (2)(c), and 49 U.S.C. 303

CDOT Project C0703-379 (At head of title)
I-70 Twin Tunnels finding of no significant impact (FONSI) (Also called)

United States. Federal Highway Administration.
Colorado. Department of Transportation. Region 1.

2012

Colorado Department of Transportation, Region 1
Federal Highway Administration

Denver, Colo.

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.

Introduction -- Proposed action -- Summary of impacts, mitigation measures, and permit requirements -- Updates and clarifications to the environmental assessment -- Coordination and response to comments -- Updates and clarifications so the section 4(f) evaluation -- Selection of the preferred alternative -- Finding of no significant impact -- List of tables -- List of figures -- Appendix.
"October 2012."--Cover.
"CDOT Project Number C0703-379."--Cover.
Description based on print version record.

Express highways
Environmental aspects
Roads
Design and construction

Interstate 70

1 online resource ([119] p.) : ill., maps.

eng

TRA9/1.2/T92/2012/2/INTERNET

http://hdl.handle.net/10176/co:12964

872598804

2014-04-04T04:59:03.625Z