Dinosaur Diamond Prehistoric Highway
| Dinosaur Diamond Scenic Byway | |
|---|---|
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| Route information | |
| Length: | 512 mi (824 km) |
| Existed: | 2002 – present |
| Component highways: |
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| Major junctions | |
| West end: | Price, Utah |
| East end: | Grand Junction, Colorado |
| Location | |
| States: | Utah, Colorado |
| Counties: |
Utah: Carbon, Duchesne, Grand, Emery Colorado: Moffat, Rio Blanco, Garfield, Mesa |
| Highway system | |
The Dinosaur Diamond Scenic Byway is a 512-mile-long (824 km)National Scenic Byway in the U.S. states of Utah and Colorado. The highway forms a diamond-shaped loop with vertices at Moab, Helper, Vernal and Grand Junction.
The segment within Utah is known as the Dinosaur Diamond Prehistoric Highway. The segment within Colorado is known as the Dinosaur Diamond Scenic and Historic Byway. Notable features surrounding the Dinosaur Diamond include Dinosaur National Monument, the Flaming Gorge National Recreation Area, Canyonlands National Park, Arches National Park, Natural Bridges National Monument, Colorado National Monument, and several national forests.
The path of Interstate 70 (I-70) in Colorado is derived from two previous highways, U.S. Highway 6 (US 6) and US 40. US 40 was an original piece of the U.S. Highway system commissioned in 1926. The portion now numbered US 6 came about in 1937 when the route over Vail Pass was paved. The first route through the path of I-70 in Utah was the Old Spanish Trail, a trade route between Santa Fe, New Mexico, and Los Angeles, California. The trail was in common use before the Mexican-American War in 1848.
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