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 /
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 ea...
| Other Authors: | United States. Federal Highway Administration., Colorado. Department of Transportation. Region 1. |
|---|---|
| Format: | Electronic |
| Language: | English |
| Published: |
[Denver, Colo.] :
Colorado Department of Transportation, Region 1 : Federal Highway Administration,
2012.
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| Physical Description: |
1 online resource (119 unnumbered pages) : illustrations, maps. |
| Subjects: | |
| Online Access: |
Access online |