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recent decades, the short segment of WIS 78 freeway was the only portion of the route from I-90/I-94 at
Portage northerly past Wausau that was not signed as part of US 51, although signs along the route did indicate "To US 51". Then in 1996, US 51 from Rothschild (south of Wausau) southerly to Portage was concurrently designated as
656:
north of the city. The entire four-lane divided portion of WIS 78 from I-90/I-94 northerly to US 51 was shown as a full freeway with interchange beginning with the 1966 official state highway map, so it can be assumed the conversion to freeway occurred about this time (c.1965). In more
651:
was improved to a four-lane divided facility. A year later, this four-lane divided highway (and the WIS 78 designation with it) was extended northerly across the
Wisconsin River then bypassing Portage to the west before merging into the existing two-lane route of
661:
and to connect this new
Interstate route with nearby I-90/I-94, the entire WIS 78 freeway from US 51 north of Portage to I-90/I-94 was redesignated as part of I-39, with WIS -78 losing approximately eight miles (13 km) of length in the process.
1716:
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1726:
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begins at this intersection and the two routes run concurrently for a mile, before WIS 19 turns to go east. WIS 78 runs parallel to the
1128:
1051:
596:. WIS 60 turns to go east and WIS 78 continues out of Sauk City, paralleling the Wisconsin River for several miles. It merges with
1494:
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90:
62:
32:
146:
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69:
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900:
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76:
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538:
for less than a quarter of a mile (0.4 km) before the two highways part ways, and WIS 78 passes through
574:
410:
58:
47:
647:
In 1963, the segment of WIS 78 from the new I-90/I-94 freeway interchange south of
Portage northerly to
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83:
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43:
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US 151 exit 65; southern end of
Business US 18 / Business US 151 concurrency
957:
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8:
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Roundabout; northern end of
Business US 18 / Business US 151 concurrency
1005:
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616:. The route continues for 12 miles (19 km) before ending at an interchange with
561:
WIS 78 continues north out of Mount Horeb through the
Driftless Area. It enters
523:
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174:
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west and the routes run concurrently, leaving Black Earth. WIS 78 turns north.
730:
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486:. It runs north–south in south central Wisconsin from the Illinois border near
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Northern end of US 14 concurrency; southern end of WIS 19 concurrency
483:
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Western end of US 12 concurrency; southern end of WIS 60 concurrency
21:
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with WIS 113 south and WIS 78 north, and vice-versa. In
1690:
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WIS 78 begins at the
Illinois state line, continued from
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1.000 mi = 1.609 km; 1.000 km = 0.621 mi
592:
before it turns to go north, now running concurrently with
120:
636:
In the 1920s, WIS 78 was originally located on the
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628:. At the interchange, the roadway continues as I-39.
1633:"Wisconsin Highways: Highways 70-79 (Highway 78)"
514:and leaves Gratiot. WIS 78 turns north, and
1703:
1135:north / CTH-ID (Springdale Street) /
1717:Transportation in Lafayette County, Wisconsin
1742:Transportation in Columbia County, Wisconsin
48:introducing citations to additional sources
1681:Template:Attached KML/Wisconsin Highway 78
1727:Transportation in Green County, Wisconsin
1684:
1737:Transportation in Sauk County, Wisconsin
1732:Transportation in Dane County, Wisconsin
1722:Transportation in Iowa County, Wisconsin
38:Relevant discussion may be found on the
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534:. The highway runs concurrently with
1570:Roadway continues as northbound I-39
497:
388:Wisconsin State Trunk Highway System
15:
1630:
156:92.83 mi (149.40 km)
13:
1624:
1484:Eastern end of WIS 113 concurrency
1441:Western end of WIS 113 concurrency
1403:Northern end of WIS 60 concurrency
1273:Northern end of WIS 19 concurrency
684:
526:before turning to go north in the
14:
1753:
1653:
1180:Southern end of US 14 concurrency
966:Eastern end of WIS 39 concurrency
933:Western end of WIS 39 concurrency
877:Eastern end of WIS 81 concurrency
844:Western end of WIS 81 concurrency
806:Eastern end of WIS 11 concurrency
773:Western end of WIS 11 concurrency
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1311:Eastern end of US 12 concurrency
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31:relies largely or entirely on a
20:
575:Wisconsin and Southern Railroad
608:, WIS 113 turns to cross
1:
1617:
679:
530:. WIS 78 passes through
7:
1712:State highways in Wisconsin
1598:
464:State Trunk Highway 78
10:
1758:
735:Continuation into Illinois
631:
558:at its western terminus.
1574:
1569:
1501:
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1365:west (Phillips Boulevard)
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640:Peninsula on what is now
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165:
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152:
144:
139:
134:WIS 78 highlighted in red
132:
116:
1685:KML is not from Wikidata
1581:
580:The highway merges with
506:(IL 78). It enters
510:, where it merges with
126:State Trunk Highway 78
59:"Wisconsin Highway 78"
1612:U.S. Roads portal
1400:east (Prairie Street)
602:wrong-way concurrency
482:in the U.S. state of
1698:at Wikimedia Commons
1696:Wisconsin Highway 78
111:Highway in Wisconsin
44:improve this article
666:Major intersections
577:for several miles.
186:Major intersections
1637:Wisconsin Highways
1139:south (8th Street)
890:No major junctions
618:Interstate 39
1694:Media related to
1596:
1595:
1495:Town of Caledonia
1241:Town of Mazomanie
887:
516:runs concurrently
504:Illinois Route 78
498:Route description
461:
460:
457:
456:
140:Route information
109:
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94:
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1644:
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1631:Bessert, Chris.
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1409:Town of Merrimac
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584:and crosses the
565:and merges with
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1541:Wisconsin Dells
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1279:Town of Roxbury
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1129:Bus. US 18
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715:
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703:Town of Gratiot
668:
634:
586:Wisconsin River
500:
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444:
431:
429:
293:
288:
283:
258:
253:
235:
230:
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161:Major junctions
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25:
12:
11:
5:
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1654:External links
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1480:Merrimac Ferry
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1374:Prairie du Sac
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614:Merrimac Ferry
610:Lake Wisconsin
532:Blanchardville
528:Driftless Area
499:
496:
466:(often called
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458:
455:
454:
441:
439:
421:
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419:
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391:
381:
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379:Highway system
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371:
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279:North end
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227:
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167:
166:South end
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145:Maintained by
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42:. Please help
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1567:
1564:north –
1563:
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1542:
1538:
1534:
1531:south /
1530:
1496:
1491:
1487:
1481:
1478:south –
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1444:
1438:
1435:north –
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1323:
1318:
1314:
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1229:north –
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929:Mineral Point
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799:
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729:south –
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480:state highway
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329:United States
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100:November 2021
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89:
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82:
78:
75:
71:
68:
64:
61: –
60:
56:
55:Find sources:
49:
45:
41:
35:
34:
33:single source
29:This article
27:
23:
18:
17:
1661:
1640:. Retrieved
1636:
1626:
1583:
1476:WIS 113
1433:WIS 113
1361:west /
1305:east –
1267:east –
1231:Spring Green
1225:west /
1174:east –
1131:east /
1054:east /
960:east –
927:west –
901:Town of York
871:east –
838:west –
800:east –
767:west –
689:Destinations
646:
635:
598:WIS 113
579:
560:
554:, and meets
501:
475:
471:
467:
463:
462:
386:
97:
87:
80:
73:
66:
54:
30:
1586:Concurrency
1398:WIS 60
1363:WIS 60
1265:WIS 19
1227:WIS 19
1148:Black Earth
1137:WIS 92
1002:US 151
977:Mount Horeb
958:WIS 39
925:WIS 39
869:WIS 81
836:WIS 81
798:WIS 11
765:WIS 11
649:WIS 33
642:WIS 57
638:Door County
620:(I-39) and
594:WIS 60
588:, entering
571:WIS 19
563:Black Earth
556:WIS 92
552:US 151
544:Mount Horeb
542:and enters
536:WIS 39
520:WIS 81
512:WIS 11
476:WIS 78
451:WIS 79
436:WIS 77
267:WIS 60
244:WIS 19
225:Black Earth
211:Mount Horeb
207:US 151
1706:Categories
1642:2007-03-20
1618:References
1359:US 12
1303:US 12
1223:US 14
1172:US 14
1010:Dodgeville
998:US 18
962:New Glarus
840:Darlington
769:Shullsburg
727:IL 78
654:US 51
582:US 12
567:US 14
548:US 18
546:, crosses
540:Daleyville
468:Highway 78
396:Interstate
263:US 12
240:US 14
221:US 14
203:US 18
175:IL 78
70:newspapers
1322:Sauk City
1186:Mazomanie
698:Lafayette
612:with the
590:Sauk City
484:Wisconsin
349:Lafayette
339:Wisconsin
271:Sauk City
248:Mazomanie
40:talk page
1663:KML file
1599:See also
1588:terminus
1539: –
1535: /
1490:Columbia
1447:Merrimac
1269:Waunakee
1004: –
1000: /
676:Location
606:Merrimac
369:Columbia
345:Counties
320:Location
304: /
300: /
265: /
242: /
205: /
1566:Portage
1545:Madison
1437:Baraboo
1307:Madison
1176:Madison
1006:Madison
741:Gratiot
632:History
508:Gratiot
492:Portage
488:Gratiot
478:) is a
325:Country
310:Portage
179:Gratiot
84:scholar
1502:149.40
873:Monroe
812:Argyle
802:Monroe
731:Warren
673:County
524:Argyle
472:STH-78
416:Rustic
411:Scenic
153:Length
147:WisDOT
86:
79:
72:
65:
57:
1499:92.83
1454:128.6
1416:124.4
1381:112.7
1329:110.1
1286:109.1
896:Green
692:Notes
518:with
406:State
357:Green
335:State
91:JSTOR
77:books
1672:help
1668:edit
1562:I-39
1537:I-94
1533:I-90
1529:I-39
1451:79.9
1413:77.3
1378:70.0
1326:68.4
1317:Sauk
1283:67.8
1248:98.7
1245:61.3
1193:96.4
1190:59.9
1155:92.7
1152:57.6
1069:76.4
1066:47.5
1058:east
984:73.5
981:45.7
972:Dane
941:52.6
938:32.7
908:52.3
905:32.5
883:Iowa
852:32.8
849:20.4
819:32.3
816:20.1
781:10.0
659:I-39
626:I-94
622:I-90
365:Sauk
361:Dane
353:Iowa
306:I-94
302:I-90
298:I-39
63:news
778:6.2
748:9.3
745:5.8
710:0.0
707:0.0
522:in
490:to
474:or
308:in
269:in
246:in
223:in
209:in
177:in
46:by
1708::
1670:•
1635:.
1543:,
1008:,
685:km
680:mi
644:.
494:.
470:,
443:→
428:←
401:US
367:,
363:,
359:,
355:,
351:,
1674:)
1666:(
1645:.
624:/
550:/
102:)
98:(
88:·
81:·
74:·
67:·
50:.
36:.
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