Getting there:

From Salt Lake, take I-80 over Parley's, then pick your trailhead.

From the Ogden area, head up I-84 to Echo Junction.

Park City Trailhead: in Park City, take Kearns Blvd to Bonanza Dr, turn on Prospector Ave to behind the Park City Plaza. N 40° 39.684' W 111° 29.894'.

Jordanelle Trailhead: take the U-248 exit from US-40 about 5 miles south of I-80, and park on the frontage road. The trail is just east.

 Promontory Trailhead: exit I-80 to US-40. 2 miles south, turn into the Silver Creek Industrial Park and follow the signs to the trail.

 Wanship Trailhead: exit I-80 into Wanship. The parking area is just east of the intersection between U-32 and US-189.

Coalville Trailhead: immediately after exiting I-80, the trail crosses the road as you head into Coalville. Find a place to park and backtrack to the trail.

Echo Trailheads: the trail is accessible from the road on several areas along the reservoir. From the south, exit into Coalville, turn left on the main drag and head 7 miles north. From Echo Junction, take exit 169 from 1-80 and turn right to head south

To Park City Trailhead

Southbound on Park City's Park Avenue, turn left onto Kearns Blvd., as though you were heading to US 40. About 1/4 mile later, turn right on Bonanza Drive. At the "Rail Trail" sign about 200 feet later, turn left onto Prospector Avenue, then right into the parking lot for the Rail Trail. The trail is at the far (south) end of the parking lot. N 40° 39.684' W 111° 29.894'

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                                                                                              Thanks to Utah Mountain Biking for this map and directions