Dinosaur Diamond Prehistoric Highway

This route, located in Southeastern/Eastern Utah, links several important dinosaur-related sites. Traveling north from Blanding on Hwy 191 to the frontage road of I70 at Crescent Junction; west on the frontage road to the town of Green River; north on Hwy 191/6 to Hwy 10 near Price; south on Hwy 10 to Castle Dale; north on Hwy 10 to Hwy 155 and south to the Cleveland Lloyd Dinosaur Quarry via Hwy 155 and the quarry access road; north on Hwy 191/6 to Helper and northeast on the Indian Canyon Scenic Byway (Hwy 191) to Duchesne, then east on Hwys 40 & 191 to Vernal, and east on Hwy 40 to Hwy 149 to Dinosaur National Monument; the route backtracks south from the monument to Hwy 149, then following Hwy 40 east to the Colorado state line.

Location: Hwy 191, Vernal Utah 84078

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