| Exit | Roads | City | Hotels |
| Interstate 15 in Idaho | |||
| (mile 0 - Idaho stateline) | |||
| 0 | Monida | ||
| 9 | Snowline | ||
| 15 | Harrison Street | Lima | |
| 23 | Dell | ||
| 29 | Kidd | ||
| 37 | Red Rock Road | ||
| 44 | MT 324 - Clark Canyon Reservoir | ||
| 51 | Dalys | ||
| 52 | Grasshopper Creek | ||
| 56 | Barrets | ||
| 59 | MT 278 | ||
| 62 | I-15 Bus | Dillon | |
| 63 | I-15 Bus, MT-41 | Dillon | ★★★★★ Best Western Paradise Inn ★★★★★ Quality Inn Dillon ★★★★★ Super 8 by Wyndham Dillon |
| 74 | Apex; Birch Creek Road | ||
| 85 | Glen; MT 91 | ||
| 93 | Melrose | ||
| 99 | Moose Creek Road | ||
| 102 | MT-43 | ||
| 111 | Feely | ||
| 116 | Buxton | ||
| 119 | Silver Bow | ||
| 121 | Interstate 90 west - exit 219 | ||
| 122 | Browns Gulch Road, Rocker | Butte | |
| 124 | I-115 (I-15 Bus/I-90 Bus) | Butte | |
| 126 | Montana Street | Butte | |
| 127 | I-15 Bus/I-90 Bus (Harrison Avenue) | Butte | ★★★★★ Hampton Inn Butte ★★★★★ Wingate by Wyndham Butte City Center I-15/I-90 ★★★★★ Holiday Inn Express Hotel & Suites Butte ★★★★★ Best Western Plus Butte Plaza Inn ★★★★★ Comfort Inn Butte ★★★★★ Super 8 by Wyndham Butte |
| 129 | Interstate 90 east - exit 227 | ||
| 134 | Woodville | ||
| 138 | Elk Park | ||
| 151 | Boulder River Road | ||
| 156 | Basin | ||
| 160 | High Ore Road | ||
| 164 | MT 69 (N Main Street) | Boulder | |
| 176 | Jefferson City | ||
| 182 | Clancy | ||
| 187 | MT 518 - Montana City | ||
| 190 | South Helena | Helena | |
| 192 | US 12/US 287 (Prospect Avenue) | Helena | ★★★★★ Delta Hotels Helena Colonial ★★★★★ Hampton Inn Helena ★★★★★ Fairfield Inn & Suites Helena ★★★★★ Best Western Helena/Capitol Hotel ★★★★★ Baymont by Wyndham Helena ★★★★★ Days Inn by Wyndham Helena ★★★★★ Super 8 by Wyndham Helena ★★★★★ Rodeway Inn Helena |
| 193 | I-15 Bus (Cedar Street) | Helena | ★★★★★ Holiday Inn Express Hotel & Suites Helena ★★★★★ Fairfield by Marriott Inn & Suites Helena North ★★★★★ Comfort Suites Airport - Helena |
| 200 | MT 279/MT 453 (Lincoln Road) | ||
| 209 | Gates of the Mountains | ||
| 216 | Sieben | ||
| 219 | Spring Creek | ||
| 226 | MT 434 - Wolf Creek | ||
| 228 | US 287 north | ||
| 234 | Craig | ||
| 240 | Dearborn | ||
| 244 | River exit | ||
| 247 | Hardy Creek | ||
| 250 | River exit | ||
| 254 | MT 68 | Cascade | |
| 256 | MT 68 | Cascade | |
| 270 | MT 330 - Ulm | ||
| 277 | Great Falls International Airport | Great Falls | |
| 278 | I-15 Bus, US 89, MT-200 East, 10th Avenue South | Great Falls | ★★★★★ Hilton Garden Inn Great Falls ★★★★★ Hampton Inn Great Falls ★★★★★ Holiday Inn Express Hotel & Suites Great Falls ★★★★★ Comfort Inn & Suites Great Falls Market - Airport ★★★★★ MainStay Suites Great Falls ★★★★★ Sleep Inn Great Falls |
| 280 | I-15 Bus, US 87, Central Avenue West | Great Falls | |
| 282 | Vaughn Road; to NW Bypass | Great Falls | |
| 286 | Manchester | ||
| 290 | US 89, MT 200 | ||
| 297 | Gordon; Anderson Road | ||
| 302 | MT 431 (7th Road NE) - Power | ||
| 313 | MT 221/MT 379 | Dutton | |
| 321 | Collins Road (24th Road NE) | ||
| 328 | MT 365 (Central Avenue) | Brady | |
| 335 | I-15 Bus, Midway Road | ||
| 339 | I-15 Bus | Conrad | ★★★★★ Super 8 by Wyndham Conrad |
| 345 | MT 366, Ledger Road | ||
| 348 | MT-44, Valier Hwy | ||
| 352 | Bullhead Road | ||
| 358 | Marias Valley Road, Golf Course Road, Lincoln Road | ||
| 363 | US 2, I-15 Bus | Shelby | ★★★★★ Best Western Shelby Inn & Suites ★★★★★ Comfort Inn Shelby |
| 364 | I-15 Bus | Shelby | |
| 369 | Bronken Road | ||
| 373 | Potter Road | ||
| 379 | MT 215, MT 343 - Kevin, Oilmont | ||
| 385 | Swayze Road | ||
| 389 | MT 552, 9 Mile Road | Sunburst | |
| 394 | McAlpine Road, McVey Road | ||
| 397 | Sweetgrass | Sweetgrass | |
| (mile 397 - Canadian border; AB 4) |