| Rocky Pass | Platte, WY | 13.5 miles | SE |
| Hell Gap | Goshen, WY | 14.7 miles | SE |
| McCann Pass | Goshen, WY | 16 miles | SE |
| McGinnis Pass | Goshen, WY | 17.3 miles | SE |
| Seward Pass | Platte, WY | 18.7 miles | SE |
| Johnson Canyon | Platte, WY | 23.4 miles | SW |
| Antelope Gap | Platte, WY | 32.6 miles | SE |
| Schofield Pass | Converse, WY | 34.5 miles | NW |
| Devils Pass | Converse, WY | 35.9 miles | SW |
| West Fork Pass | Converse, WY | 36 miles | SW |
| Jenkins Pass | Converse, WY | 36.9 miles | SW |
| Hazenville Pass | Converse, WY | 37.2 miles | NW |
| Bull Gap | Albany, WY | 37.3 miles | SW |
| Chamberlain Pass | Converse, WY | 38.5 miles | SW |
| Redenbaugh Pass | Converse, WY | 38.8 miles | NW |
| Ellison Pass | Albany, WY | 38.9 miles | SW |
| Latham Pass | Converse, WY | 38.9 miles | SW |
| Virden Pass | Converse, WY | 39.6 miles | NW |
| Fackler Pass | Albany, WY | 45.2 miles | SW |
| Reed Pass | Albany, WY | 45.9 miles | SW |
| Mule Creek Pass | Albany, WY | 46 miles | SW |
| Coyote Gap | Niobrara, WY | 50.1 miles | NE |
| Cameron Pass | Albany, WY | 50.7 miles | SW |
| Fox Creek Gap | Goshen, WY | 60.2 miles | SE |
| Kessler Gap | Goshen, WY | 62.3 miles | SE |
| Morton Pass | Albany, WY | 64.6 miles | SW |
| McCompsey Pass | Goshen, WY | 69.4 miles | SE |
| Cannonball Cut | Albany, WY | 70.3 miles | SW |
| Rocky Gap | Natrona, WY | 70.3 miles | NW |
| Roubadeau Pass | Scotts Bluff, NE | 71.3 miles | SE |
| Saddle Gap | Scotts Bluff, NE | 72 miles | SE |
| Rifle Sight Pass | Scotts Bluff, NE | 73.3 miles | SE |
| Mitchell Pass | Scotts Bluff, NE | 76.1 miles | SE |
| Coyote Pass | Scotts Bluff, NE | 76.4 miles | SE |
| Petes Gap | Carbon, WY | 78.8 miles | SW |
| Cheyenne Pass | Laramie, WY | 85.4 miles | SW |
| Emigrant Gap | Niobrara, WY | 86.9 miles | NW |
| Wright Gap | Banner, NE | 91.2 miles | SE |
| Simpson Gap | Carbon, WY | 92.2 miles | SW |
| Williams Gap | Banner, NE | 94 miles | SE |
| Hubbard Gap | Banner, NE | 95.6 miles | SE |
| Rocky Gap | Carbon, WY | 95.8 miles | SW |
| Quealy Gap | Carbon, WY | 97.6 miles | SW |
| Smoky Gap | Natrona, WY | 97.8 miles | NW |
| Wilson Gap | Carbon, WY | 99.2 miles | SW |
| Gobbler Pass | Custer, SD | 100.6 miles | NE |
| Rattlesnake Pass | Carbon, WY | 102.7 miles | SW |
| Redington Gap | Morrill, NE | 103.2 miles | SE |
| Buffalo Gap | Custer, SD | 105.5 miles | NE |
| Snowy Range Pass | Albany, WY | 107.7 miles | SW |
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