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  2. Eisenhower Tunnel - Wikipedia

    en.wikipedia.org/wiki/Eisenhower_Tunnel

    The Eisenhower Tunnel, officially the Eisenhower–Edwin C. Johnson Memorial Tunnel, [1] is a dual-bore, four-lane vehicular tunnel in the western United States, approximately 60 miles (97 km) west of Denver, Colorado. The tunnel carries Interstate 70 (I-70) under the Continental Divide in the Rocky Mountains.

  3. Alva B. Adams Tunnel - Wikipedia

    en.wikipedia.org/wiki/Alva_B._Adams_Tunnel

    The Alva B. Adams Tunnel is the principal component of the largest transmountain water project in Colorado, the Colorado-Big Thompson Project (C-BT). The tunnel transfers water from the western slope of the Colorado River drainage to the eastern Front Range of Colorado. It is 13.1 miles (21.1 km) long, with a concrete lined diameter of 9.75 ...

  4. List of mountain passes in Colorado - Wikipedia

    en.wikipedia.org/wiki/List_of_mountain_passes_in...

    This is a list of some important mountain passes in the Rocky Mountains of the U.S. State of Colorado. ... Eisenhower Tunnel [l] 11,158 feet 3,401 m 7.0% EB 6.0% WB:

  5. List of tunnels in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_tunnels_in_the...

    U.S. Highway 441 Tunnel Northbound, between Gatlinburg and Pigeon Forge and 2 more tunnels in Great Smoky Mountains National Park on Highway 441 between Gatlinburg and Cherokee; Bachmann Tubes, which carry Ringgold Road through Missionary Ridge from Chattanooga into the neighboring town of East Ridge.

  6. Alpine Tunnel - Wikipedia

    en.wikipedia.org/wiki/Alpine_Tunnel

    Alpine Tunnel is a 1,772 ft (540 m) narrow gauge railroad tunnel located east of Pitkin, Colorado, on the former Denver, South Park and Pacific Railroad route from Denver to Gunnison. At an elevation of 11,523 feet (3,512 m), it was the first tunnel constructed across the Continental Divide in Colorado and was the highest railroad tunnel in ...

  7. Interstate 70 in Colorado - Wikipedia

    en.wikipedia.org/wiki/Interstate_70_in_Colorado

    The Eisenhower Tunnel, with a maximum elevation of 11,158 feet (3,401 m) and length of 1.7 miles (2.7 km), is the longest mountain tunnel and highest point along the Interstate Highway System. The portion through Glenwood Canyon was completed on October 14, 1992.

  8. List of Rocky Mountain passes on the continental divide

    en.wikipedia.org/wiki/List_of_Rocky_Mountain...

    Alpine Tunnel: 11,523 feet (3,512 m) Alpine Tunnel, first tunnel over Continental Divide in Colorado, highest railroad tunnel and at 1,772 ft (540 m) longest narrow-gauge tunnel in North America. Tunnel abandoned since 1910, impassable, unpaved road on approaches, reconstructed telegraph office with station platform near southern (wester

  9. Colorado–Big Thompson Project - Wikipedia

    en.wikipedia.org/wiki/Colorado–Big_Thompson...

    From Lake Estes the water travels east via the Olympus and Pole Hill Tunnels to the 38.2 MW Pole Hill Powerplant, where it drops 825 feet (251 m), [4] and flows via the shorter Rattlesnake Tunnel to Pinewood Lake. The water then enters the Bald Mountain Tunnel, heading east to a final drop of 1,055 feet (322 m) at 94.5 MW Flatiron Powerplant. [5]