HIGHWAY—TITLE—SIGN #—MILEPOST—PAGE
U.S. 2
Seneacquoteen 177 15 13
IDAHO 3
Saint Joseph Indian Mission
42 92.4 13
The Mullan Road 285 95.7 13
IDAHO 4
Frisco Mill 424 5.1 14
Burke 426 7.1 14
IDAHO 5
John Mullan 286 17.8 14
IDAHO 11
Lewis and Clark 261 17.2 15
Chinese Hanging 307 27.5 15
Canal Gulch 153 28.6 15
Oro Fino City 156 28.6 16
U.S. 12
Ant and Yellowjacket 264 10.9
17
Spalding's Mission 111 12.2
17
Indian Houses 316 27.6 RA 17
Slaterville 250 27.8 RA 18
Lenore Tram 486 28.3 18
Lewis and Clark 249 47.4 18
Gold Rush Ferry 466 52.5 19
Asa Smith Mission 309 67.6
20
Long Camp 310 67.6 21
Looking Glass 347 75.9 22
Whitehouse Pond 333 158.4 22
Lolo Trail Crossing 334 171.2
25
Lolo Summit 247 174.4 25
IDAHO 13
Mount Idaho 352 1.1 At Mount
Idaho 25
Nez Perce War 259 21.2 26
IDAHO 14
Buffalo Pit 370 47.1 27
Elk City 168 49.4 28
Nez Perce Trail 369 49.4 29
INTERSTATE 15
Idaho's First Railroad 17 59.1
RA 30 289 Pocatello BL** Exit 67 31
Lava Formations 287 101.3 RA
32
Taylor's Bridge 223 Idaho Falls
BL** Exit 118 32
Eagle Rock Ferry 224 Idaho
Falls BL** Exit 118 32
Market Lake 323 142 Southbound
33
Nez Perce War 427 167 RA 34
Beaver Canyon 222 180.2 Exit
180 34
IDAHO 16
Pearl 447 11 34
Freezeout Hill 295 11 35
U.S. 20
Lower Boise 361 16.1 35
The Ward Massacre 75 27.2 35
Airmail Service 72 50 BSU Campus
37
Boise State University 402
50 BSU Campus 37
Rattlesnake Station 195 102.7
37
Toll Gate 197 107 38
Goodale's Cutoff 305 124.4
38
Castle Rock 353 124.4 38
Gold Mines 400 126.3 39
Bannock War 277 148.5 39
Magic Reservoir 413 170.1 39
Nuclear Reactors 297 265 RA
41
Lost River 304 265 RA 41
Three Buttes 428 272.8 41
Big Butte 436 272.8 42
Elephant Hunters 365 291.4
43
The Three Tetons 267 362.7
43
Volcanic Calderas 396 368.9
43
Caldera Lookout 391 376.3 44
Harriman State Park 462 378
44
Harriman Wildlife Refuge 461
382 44
Pierre J. DeSmet 452 400.7
45
IDAHO 21
The Oregon Trail 151 7.4 46
Beaver Dick's Ferry 359 7.4
46
Diversion Dam 343 8.4 46
More's Creek 318 17.1 48
Arrowrock Dam 376 17.1 49
The Old Toll Road 266 20.3
50
Grimes' Creek 188 28.9 50
Idaho City 186 38.8 50
Lowman 444 72.8 53
Emma Edwards 442 77.7 53
Emile Grandjean 435 95.4 53
IDAHO 24
Minidoka Dam 341 10.6 54
IDAHO 25
Prehistoric Man 276 14.8 54
Hunt 340 14.8 54
IDAHO 27
City of Rocks 344 0.8 56
IDAHO 28
Prehistoric Man 270 44.3 57
Charcoal Kilns 296 61 57
Cote's Defile 429 61 57
Gilmore 234 73.2 58
Lewis and Clark 325 115.7 58
Fort Lemhi 128 117.3 58
MacDonald's Battle 312 119.9
60
Lewis and Clark 127 122.4 60
Sacajawea 239 122.4 60
IDAHO 29
Bannock Pass 238 13.6 61
U.S. 30
New Plymouth 483 26.5 62
Fossil Beds 300 175.7 62
Salmon Falls 204 184.5 RA 62
Thousand Springs 166 186.9
64
Payne's Ferry 206 190.4 65
Fishing Falls 330 190.4 66
Rock Creek Station 342 227.3
66
Caldron Linn 284 233.9 66
Milner Dam 208 250.1 67
Starrh's Ferry 28 253.5 68
Lava Hot Springs 13 371.2 69
Hudspeth's Cutoff 161 376.2
69
Chesterfield 337 378.8 69
Bear River Lava 220 399.9 70
John Bidwell 219 399.9 70
Soda Springs 158 403.8 70
Camp Connor 218 403.8 72
Hooper Spring 385 405.2 72
Smith's Trading Post 159 440.1
72
Big Hill 335 441.7 73
McAuley's Road 456 441.7 73
Thomas Fork 157 454.5 73
IDAHO 33
John Day's River 227 16.5 74
Menan Buttes 301 70.3 74
Beaver Dick 273 73.3 74
Ricks College 404 334.5 Ricks
Campus 76
Fort Henry 135 338.7 76
Teton Flood 345 110 76
John Colter 225 136.5 78
Teton Range 315 136.5 78
Pierre's Hole 139 143.9 78
IDAHO 34
Old Delta Sediments 432 12.9
80
Range Wars 431 31.4 80
John Grey 362 93.7 80
Cariboo Mountain 433 93.7 81
IDAHO 39
American Falls 383 3.1 81
IDAHO 45
Steamer Shoshone 194 10.3 81
IDAHO 50
Hansen Bridge 393 3.9 83
IDAHO 52
Black Canyon Dam 377 39.1 83
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HIGHWAY—TITLE—SIGN #—MILEPOST—PAGE
IDAHO 53
Purcell Trench 256 0.4 83
IDAHO 54
Pend Oreille City 351 8.4 84
Farragut State Park 350 12.4
84
Bayview Limekilns 422 14.7
84
IDAHO 55
Froman's Ferry 283 2.6 85
Horse Shoe Bend 278 64.4 86
Long Valley Ambush 155 115.4
87
Packer John's Cabin 183 153
88
IDAHO 71
Brownlee Ferry 185 2 89
Seven Devils Mines 378 2 90
IDAHO 75
Magic Dam 398 91 90
Wood River Mines 154 112.8
90
Ski Lifts 329 130.8 92
Galena 484 151.8 92
Alexander Ross 302 156.1 92
Salmon River 292 160.9 93
Vienna Ghost Town 235 164.1
94
Sawtooth City 364 166.8 94
Bears Ploughed Field 328 190
94
Stanley Ranger Station 406
190 95
Clayton Smelter 416 222.9 96
Bison Jump 434 243.9 96
IDAHO 77
Hudspeth's Cutoff 169 2.8 96
Diamondfield Jack 306 18.4
97
IDAHO 78
Givens Springs 358 11.5 98
War Eagle Mines 380 34.1 99
Diamond Gulch 454 34.1 100
IDAHO 81
Idahome 449 7.8 100
INTERSTATE 84
Snake River 263 1 Eastbound
RA 100
Salmon Festival 336 1 Eastbound
RA 101
Emigrant Crossing 455 Old U.S.
30 Exit 26 101
Albertson College of Idaho
291 Caldwell BL** Exit 29 101
Northwest Nazarene University
415 Nampa BL** Exit 38 103
Initial Point 193 Meridian,
Exit 44 103
Oregon Trail 375 62.2 Eastbound
RA 103
Basque Country 379 62.4 Westbound
RA 105
Oregon Trail 198 Glenns Ferry
BL** 105
Exits 120 & 121
Glenn's Ferry 199 Glenns Ferry
BL** 105
Exits 120 & 121
Lake Bonneville 317 269 RA
106
INTERSTATE 86
Emigrant Trails 339 18.4 Eastbound
RA 106
Oregon Trail 338 30.4 Westbound
RA 106
American Falls 274 American
Falls BL** 109
Exits 36 & 40
IDAHO 87
Sawtell's Ranch 389 5.1 109
U.S. 89
Bear Lake 384 2.2 109
British Settlers 319 13 110
Paris 275 15.8 110
Paris Tabernacle 386 15.8 110
Bank Robbers 446 25.5 111
INTERSTATE 90
Treaty Rock 348 Post Falls
BL** Exit 5 112
Lake Steamers 268 Exit 15 113
Mullan Tree 164 Exit 28 113
Old Mission of the Sacred Heart
144 Exit 39 113
Kellogg's Jackass 290 Kellogg
BL** Exit 49 114
Sunshine Mine Disaster 322
Exit 54 115
(3.7 on Old U.S. 10)
Wallace 367 Wallace BL** Exit
61 115
Lead-Silver Mines 421 Wallace
BL** Exit 61 115
Murray Gold Fields 430 Wallace
BL** Exit 61 116
Willow Creek Slide 373 71.4
Eastbound 117
1910 Fire 252 72.7 Westbound
118
U.S. 91
Hatch House 388 1.4 118
Idaho's Oldest Town 23 1.4
118
Bear River Battle 216 13.2
119
Utah Northern Railway 257 13.2
119
Red Rock Pass 171 30.2 119
U.S. 93
Salmon Dam 240 11.2 120
Shoshone Falls 172 50 Southbound
121
College of Southern Idaho 411
50 Southbound 121
Emigrant Road 326 51.5 Northbound
121
Shoshone Historic District
412 72.9 122
Goodale's Cutoff 354 218.2
122
Atoms for Peace 152 248.1 122
Goddin's River 229 118.5 123
Mount Borah 45 131.2 123
Earthquakes 356 131.2 123
Michel Bourdon 303 245.3 124
Fort Bonneville 241 310 124
Historic Lemhi County 125 310
124
Lewis and Clark 122 326.1 125
Nez Perce Trail 448 332 125
Gibbonsville 243 337 125
Lewis and Clark 269 345 126
U.S. 95
Owyhee Country 192 14.1 126
Marie Dorian 78 46.7 126
Old Fort Boise 85 46.7 127
11,000 Years of Indian Occupation
487 82.4 128
An Early Industry 293 101 RA
129
Mesa Orchards 374 128 129
Old Railroads 420 135.8 129
Fabulous Florence 174 205.6
130
Hydraulic Mining 175 205.6
130
Salmon River Canyon 313 211.2
130
Nez Perce War 294 227 132
White Bird Grade 327 227 132
Salmon River 298 230.9 132
Camas Prairie 100 233.6 133
Nez Perce War 38 252.9 134
Lewis and Clark 488 252.9 134
Railroad Trestles 371 268.6
134
Lawyer's Canyon 163 268.6 135
Lewis and Clark 489 268.6 137
Craigmont 331 272.5 137
Railroad Tunnels 419 285.8
137
Saint Joseph's Mission 349
293.1 138
William Craig 308 295.4 138
Lapwai Mission 112 300.5 138
Coyote's Fishnet 262 306.8
139
Nez Perce Village 332 306.8
140
Mackenzie's Post 176 316.6
140
Lewis Clark State College 314
316.6 140
The First Capital 167 317.7
141
Lewiston Hill 417 317.7 142
Steamboats 418 317.7 143
University of Idaho 279 342.7
144
McCroskey Park 425 371.7 145
Desmet Mission 248 381.2 145
Logging Railroads 468 444.6
145
Wild Horse Trail 150 503.7
146
Glacial Lakes 321 503.7 146
Bonner's Ferry 165 507.8 146
David Thompson 160 509.7 147
IDAHO 97
Submerged Valley 281 67.3 147
Coeur d'Alene Lake 170 96 147
IDAHO 162
Camas Prairie 372 10.6 149
IDAHO 200
Lake Pend Oreille 320 44.3
149
Kullyspell House 148 48.2 149
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