48:
39:
30:
1103:
1065:
1027:
989:
951:
913:
875:
837:
799:
761:
723:
685:
647:
609:
571:
533:
495:
1153:
1290:
408:
366:
322:
274:
230:
187:
The state's
Interstate highways, totaling 1,198 miles (1,928 km), were built between 1956 and 1988 at a cost of $ 1.22 billion. 95 percent of the system serves rural areas, the highest proportion of any state under Interstate program. The entire Interstate system in Montana was designated as the
173:
1294:
613:
412:
1256:
1069:
917:
879:
765:
1107:
993:
727:
689:
841:
1179:
1031:
955:
651:
575:
499:
1310:
803:
537:
158:
99:
177:
77:
1315:
153:
148:
1264:
1177:
Axline, Jon (Autumn 2013). "A Massive
Undertaking: Construction Montana's Interstate Highways, 1956–1988".
1188:
89:
326:
278:
234:
135:
1257:"Table 3: Interstate Routes in Each of the 50 States, District of Columbia, and Puerto Rico"
638:
436:
8:
1234:
1094:
942:
904:
790:
351:
307:
259:
1200:
189:
1226:
1208:
1192:
1157:
1132:
1018:
752:
714:
342:
255:
866:
1056:
980:
676:
600:
524:
250:
828:
562:
390:
370:
55:
1212:
1304:
1196:
294:
109:
1204:
303:
174:
Dwight D. Eisenhower
National System of Interstate and Defense Highways
58:
used for
Interstate 90, Interstate 115, and Business loop 94 in Montana
347:
299:
290:
246:
47:
181:
1289:
38:
29:
472:
469:
210:
207:
21:Interstate Highways of the Montana Highway System
1302:
1106:
1068:
1030:
992:
954:
916:
878:
840:
802:
764:
726:
688:
650:
612:
574:
536:
498:
411:
369:
325:
277:
233:
1180:Montana: The Magazine of Western History
1254:
479:Northern or eastern terminus
476:Southern or western terminus
217:Northern or eastern terminus
214:Southern or western terminus
1303:
1176:
65:Interstate Highways highlighted in red
195:
178:Montana Department of Transportation
1255:Adderly, Kevin (January 27, 2016).
1248:
13:
457:
14:
1327:
1282:
1288:
1227:"§ 60-1-210: Purple Heart Trail"
1151:
1101:
1063:
1025:
987:
949:
911:
873:
835:
797:
759:
721:
683:
645:
607:
569:
531:
493:
406:
364:
320:
272:
228:
46:
37:
28:
1311:Interstate Highways in Montana
1295:Interstate Highways in Montana
1265:Federal Highway Administration
1219:
1170:
170:Interstate Highways in Montana
1:
1163:
1127:
1124:
1089:
1086:
1051:
1048:
1013:
1010:
975:
972:
937:
934:
899:
896:
861:
858:
823:
820:
785:
782:
747:
744:
709:
706:
671:
668:
633:
630:
595:
592:
557:
554:
519:
516:
446:
443:
400:
397:
358:
355:
314:
311:
266:
263:
176:owned and maintained by the
7:
1231:Montana Code Annotated 2014
1144:
1115:
1112:
1077:
1074:
1039:
1036:
1001:
998:
963:
960:
925:
922:
887:
884:
849:
846:
811:
808:
773:
770:
735:
732:
697:
694:
659:
656:
621:
618:
583:
580:
545:
542:
507:
504:
432:
428:
420:
417:
378:
375:
334:
331:
286:
283:
242:
239:
180:(MDT) in the U.S. state of
10:
1332:
1189:Montana Historical Society
424:
386:
382:
338:
104:U.S. Highway n (US n)
1316:Lists of roads in Montana
1261:Route Log and Finder List
1138:
1100:
1099:
1062:
1061:
1024:
1023:
986:
985:
948:
947:
910:
909:
872:
871:
834:
833:
796:
795:
758:
757:
720:
719:
682:
681:
644:
643:
606:
605:
568:
567:
530:
529:
492:
491:
487:
484:
481:
478:
475:
466:
451:
405:
363:
319:
271:
227:
222:
219:
216:
213:
204:
131:
126:
122:Secondary Highway n (S-n)
118:
108:
98:
88:
83:
75:
70:
63:
25:
20:
404:
362:
318:
270:
226:
172:are the segments of the
114:Montana Highway n (MT n)
136:Montana Highway System
1158:U.S. Roads portal
441:Downtown Great Falls
1297:at Wikimedia Commons
1235:Montana Legislature
463:
201:
54:Typical Interstate
462:
200:
190:Purple Heart Trail
94:Interstate n (I-n)
71:System information
1293:Media related to
1142:
1141:
455:
454:
196:Mainline highways
166:
165:
1323:
1292:
1276:
1275:
1273:
1271:
1252:
1246:
1245:
1243:
1241:
1223:
1217:
1216:
1174:
1156:
1155:
1154:
1110:
1105:
1104:
1072:
1067:
1066:
1034:
1029:
1028:
996:
991:
990:
958:
953:
952:
920:
915:
914:
882:
877:
876:
844:
839:
838:
806:
801:
800:
768:
763:
762:
730:
725:
724:
692:
687:
686:
654:
649:
648:
616:
611:
610:
578:
573:
572:
540:
535:
534:
502:
497:
496:
464:
461:
415:
410:
409:
373:
368:
367:
329:
324:
323:
281:
276:
275:
237:
232:
231:
202:
199:
100:US Highways
50:
41:
32:
18:
17:
1331:
1330:
1326:
1325:
1324:
1322:
1321:
1320:
1301:
1300:
1285:
1280:
1279:
1269:
1267:
1253:
1249:
1239:
1237:
1225:
1224:
1220:
1175:
1171:
1166:
1152:
1150:
1147:
1102:
1064:
1026:
988:
950:
912:
874:
836:
798:
760:
722:
684:
646:
608:
570:
532:
494:
460:
458:Business routes
407:
395:Downtown Butte
365:
321:
273:
229:
198:
66:
59:
56:highway markers
52:
51:
43:
42:
34:
33:
12:
11:
5:
1329:
1319:
1318:
1313:
1299:
1298:
1284:
1283:External links
1281:
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308:Ranchester, WY
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96:
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85:
81:
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76:Maintained by
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68:
67:
64:
61:
60:
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27:
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23:
22:
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1309:
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1214:
1210:
1206:
1202:
1198:
1194:
1190:
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1173:
1169:
1159:
1149:
1148:
1137:
1134:
1130:
1121:
1118:
1109:
1096:
1092:
1083:
1080:
1071:
1058:
1054:
1045:
1042:
1033:
1020:
1016:
1007:
1004:
995:
982:
978:
969:
966:
957:
944:
940:
931:
928:
919:
906:
902:
893:
890:
881:
868:
864:
855:
852:
843:
830:
826:
817:
814:
805:
792:
788:
779:
776:
767:
754:
750:
741:
738:
729:
716:
712:
703:
700:
691:
678:
674:
665:
662:
653:
640:
636:
627:
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107:
103:
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84:Highway names
82:
79:
74:
69:
62:
57:
49:
40:
31:
24:
19:
16:
1270:February 16,
1268:. Retrieved
1260:
1250:
1238:. Retrieved
1230:
1221:
1184:
1178:
1172:
473:Length (km)
470:Length (mi)
211:Length (km)
208:Length (mi)
186:
169:
167:
143:
134:
127:System links
15:
1240:December 1,
639:Great Falls
437:Great Falls
90:Interstates
1305:Categories
1213:1051147215
1164:References
1095:Miles City
943:Big Timber
905:Livingston
791:Deer Lodge
295:Mullan, ID
260:Sweetgrass
144:Interstate
119:Secondary:
1197:0026-9891
352:Beach, ND
192:in 2003.
159:Secondary
1205:24416216
1145:See also
1133:Glendive
1019:Billings
753:Missoula
715:Alberton
485:Removed
431: /
427: /
385: /
343:Billings
302: /
223:Removed
1131:Serves
1108:I-94 BL
1093:Serves
1070:I-94 BL
1055:Serves
1032:I-90 BL
1017:Serves
994:I-90 BL
979:Serves
956:I-90 BL
941:Serves
918:I-90 BL
903:Serves
880:I-90 BL
867:Bozeman
865:Serves
842:I-90 BL
827:Serves
804:I-90 BL
789:Serves
766:I-90 BL
751:Serves
728:I-90 BL
713:Serves
690:I-90 BL
675:Serves
652:I-15 BL
637:Serves
614:I-15 BL
599:Serves
576:I-15 BL
561:Serves
538:I-15 BL
523:Serves
500:I-15 BL
482:Formed
467:Number
335:400.97
287:887.84
243:637.35
220:Formed
205:Number
182:Montana
1211:
1203:
1195:
1191:: 66.
1057:Hardin
981:Laurel
677:Shelby
601:Helena
525:Dillon
488:Notes
433:MT 200
332:249.15
284:551.68
251:Monida
240:396.03
1201:JSTOR
1187:(3).
829:Butte
563:Butte
429:US 89
421:1.34
413:I-315
391:Butte
379:1.92
371:I-115
350:near
306:near
304:US 87
293:near
256:Hwy 4
249:near
154:State
110:State
1272:2017
1242:2021
1209:OCLC
1193:ISSN
425:I-15
418:0.83
387:I-90
383:I-15
376:1.19
348:I-94
339:I-90
327:I-94
300:I-90
291:I-90
279:I-90
247:I-15
235:I-15
168:The
435:in
389:in
341:at
258:at
78:MDT
1307::
1263:.
1259:.
1233:.
1229:.
1207:.
1199:.
1185:63
1183:.
1128:—
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184:.
149:US
1274:.
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1215:.
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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