Northeastern Utah
| Route | Facility | Length | Year | Description | Reference |
|---|---|---|---|---|---|
| SR-301 | Steinaker State Park | 2.039 miles (3.281 km) | 1972 | State Route 301 runs for 2.039 miles (3.281 km) southwest from US-191 in Steinaker State Park. | |
| SR-302 | Rockport State Park | 3.916 miles (6.302 km) | 1972 | State Route 302 begins at SR-32 and runs northwesterly for 3.452 miles (5.555 km) in Rockport State Park. | |
| SR-305 | Big Sand Wash Reservoir | 0.47 miles (0.76 km) | 1972-1989 | State Route 305 served Big Sand Wash Reservoir (a former state park) until about 1989. It was created in 1972, connecting Arcadia Road to the boat ramp in the park, a distance of about 0.47 miles (0.76 km). However, between 1988 and 1990, "it was found there is no way to inventory said route", and it was deleted. | |
| SR-306 | East Canyon State Park | 0.451 miles (0.726 km) | 1972 | State Route 306 runs south from SR-66, a distance of 0.451 miles (0.726 km) in East Canyon State Park. | |
| SR-311 | Starvation State Park | 3.916 miles (6.302 km) | 1972 | State Route 311 runs northwest for 3.916 miles (6.302 km) from US-40 in Duchesne to and in Starvation State Park. It was created in 1972, mostly following an old alignment of US-40 that had been bypassed when the Starvation Reservoir was created. | |
| SR-314 | Deer Creek State Park | 0.767 miles (1.234 km) | 1974 | State Route 314 runs northwest from US-189 in Deer Creek State Park for 0.767 miles (1.234 km). It was created in 1974. | |
| SR-319 | Jordanelle State Park | 1.203 miles (1.936 km) | 1989 | State Route 319 begins at exit 8 of US-40 and heads southeast to the gate in Jordanelle State Park, a distance of 1.203 miles (1.936 km). It was created in 1989 as part of the realignments that were made when the Jordanelle Reservoir was created. |
Read more about this topic: List Of State Highways Serving Utah State Parks And Institutions