Wyoming Highway 150 is the continuation of Utah State Route 150 along the Mirror Lake Scenic Byway.

[1] WYO 150 travels north toward Evanston, passing through the community of Beartown and west of Sulphur Springs Reservoir.

[2] Highway 150 enters Evanston from the south, passing the Wyoming State Hospital before reaching its northern end at an interchange shared with the southern terminus of Wyoming Highway 89 at exit 5 of Interstate 80/US Route 189.

[1][2] The Mirror Lake Scenic Byway over the Uinta Mountains in Utah is closed during the winter.

However, Wyoming Highway 150 remains open except during harsh conditions.