| State: | WY |
| Type: | WY |
| Route: | 210 |
| Alternate Name: | Happy Jack Road |
| Map Custom: | yes |
| Map Notes: | WYO 210 highlighted in red |
| Length Mi: | 37.79 |
| Length Round: | 2 |
| Length Ref: | [1] |
| Direction A: | West |
| Terminus A: | in Sherman Hill |
| Junction: | west of Cheyenne |
| Direction B: | East |
| Terminus B: | in Cheyenne |
| Counties: | Albany, Laramie |
| Previous Type: | WY |
| Previous Route: | 196 |
| Next Type: | WY |
| Next Route: | 211 |
Wyoming Highway 210 (WYO 210), also known as Happy Jack Road, is a 37.79miles state highway in Laramie and Albany counties in Wyoming, United States, that runs from Cheyenne to Interstate 80/U.S. Route 30 (I-80/US 30), 10miles east of Laramie.[2]
WYO 210 begins at Exit 10 on Interstate 25/U.S. Route 87 (I-25/US 87) in Cheyenne. At that interchange, WYO 210 intersects Missile Drive (former Wyoming Highway 226) at 0.16miles which provides access to F. E. Warren Air Force Base. WYO 210 then continues west passing south of the airbase, and intersecting Wyoming Highway 222 (Fort Access Road) at 2.94miles. The Laramie-Albany County Line is at milepost 25.82, and the boundary for Medicine Bow National Forest is at milepost 26.45. WYO 210 ends at 37.79miles at the I-80/US 30 interchange (Exit 323) near the State of Wyoming Information Center. WYO 210 passes through Vedauwoo, an area of rocky outcrops located in south-eastern Wyoming. At Curt Gowdy State Park, there are two visible reservoirs that supply water to Cheyenne. Both reside on the south side of Happy Jack Road, Crystal reservoir is the farthest east while Granite it farthest west and visible from the highway.[2]