Wyoming Highway 220 Junction List
| Signed Route | Milepost Number | Description | State Control Route | Distance | Overall Mileage |
|---|---|---|---|---|---|
 |
44.31 | Junction   Begin |
21 | 0.00 | 0.00 |
| 57.01 | Carbon-Natrona County Line | 21 | 12.70 | 12.70 | |
| 62.73 | Sweetwater River | 21 | 5.72 | 18.42 | |
| 62.83 | Independence Rock | 21 | 0.10 | 18.52 | |
| 79.75 | 79.75BK=79.60AH | 21 | 16.92 | 35.44 | |
| 94.33 | North Platte River | 21 | 14.73 | 50.17 | |
| 97.31 | Junction  South |
21 | 2.98 | 53.15 | |
| 108.06 | Begin Four Lane | 21 | 10.75 | 63.90 | |
| 110.90 | WCL Casper | 21 | 2.84 | 66.74 | |
| 113.36 | Junction  Casper Beltline |
21 | 2.46 | 69.20 | |
| 115.23 | End Four Lane | 21 | 1.87 | 71.07 | |
| 115.84 | Railroad at-grade crossing | 21 | 0.61 | 71.68 | |
| 116.11 | 116.11BK=116.37AH | 21 | 0.27 | 71.95 | |
| 116.41 | North Platte River | 21 | 0.04 | 71.99 | |
| 116.48 | Junction Business   (Yellowstone Highway) |
21 | 0.07 | 72.06 | |
| 116.73 | Burlington Northern Railroad Separation | 21 | 0.25 | 72.31 | |
| 117.21 | Junction   (MP 188.60) |
21 | 0.48 | 72.79 | |
| 117.21 | End |
21 | 0.00 | 72.79 |