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A portion of the highway in "the
Narrows" near Goose Egg was straightened and improved during a 1965 that cost $ 1.58 million to construct; the project also included preparations to widen the highway to four lanes. Calls to widen WYO 225 grew in the late 1980s after a series of vehicle
432:(Wyoming Boulevard) is intersected at just over 69 miles. Past WYO 258, the multi-lane division continues until just before the intersection of CY Avenue and Poplar Street. At this intersection, WYO 220 follows Poplar Street north. As WYO 220 heads north on Poplar Avenue,
472:
and has several commemorative markers at various points. WYO 220 originally terminated at US 20 and US 26 in downtown Casper and was later extended north along Center Street to I-25, which was completed in
October 1960.
467:
Between 1926 and 1938, what is now WYO 220 was part of U.S. Route 87E (US 87E). In 1938, US 87E's portion in
Wyoming was redesignated as WYO 220. The highway generally follows the path of the historic
427:
is intersected as 220 continues northeast. Just before entering the Casper city limits, the two-lane highway becomes a divided multi-lane highway with two lanes for each direction of traffic, and becomes known as CY Avenue.
476:
A new "inner-city connector" between WYO 220 and I-29 via Poplar Street was proposed in the 1960s to redirect traffic from downtown. The first phase of the project, a new bridge over the North Platte River and the
1289:
493:
collisions that killed several people. The state government began work on widening bridges and intersections along the section in 1988, but declined to widen the entire highway.
1144:
1158:
496:
A western bypass of Casper to relieve congestion on WYO 220 was proposed in the late 1990s and approved for construction in 2000. The route, named
1392:
1387:
485:
and widening of the street south of the river. WYO 220 was relocated onto the extension, while its old alignment along Center Street became
942:
416:
1005:
874:
1338:
798:
794:
437:
433:
478:
459:
The highway is maintained by WYDOT, except for portions of CY Avenue and Poplar Street in Casper, which are maintained locally.
854:
573:
223:
862:
581:
1200:
1173:
1118:
1091:
1065:
393:
1039:
1382:
1227:
850:
569:
365:
913:
233:
1325:
1266:
481:, opened in late 1968. The full extension of Poplar Street opened on August 14, 1984, following work to relocate a
440:(First Street) is intersected within a mile and three-quarters of a mile later, WYO 220 reaches its eastern end at
228:
1320:
973:
388:. Nearing 20 miles, Highway 220 leaves Carbon County and enters Natrona County as it nears the north side of the
858:
577:
918:
1262:
1254:
1025:
377:
1149:(Map). 1 inch = approximately 18 miles. Cheyenne: Wyoming State Highway Commission. 1985. Casper inset
561:
101:
846:
842:
838:
714:
710:
706:
313:
291:
151:
147:
143:
834:
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599:
441:
404:
342:
198:
139:
1402:
1397:
1337:
535:
338:
194:
1367:
1362:
1357:
1352:
978:
622:
412:
389:
8:
752:
698:
618:
565:
497:
486:
429:
424:
268:
253:
105:
403:
WYO 220 passes north of the reservoir, now traveling more easterly as it comes upon the
540:
420:
109:
1329:
905:
870:
726:
722:
718:
397:
866:
585:
370:
736:
589:
408:
385:
334:
155:
60:
991:
423:
and continue until it reaches Casper. At 53.17 miles the northern terminus of
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453:
449:
445:
174:
1013:
469:
346:
1347:
879:
Eastern terminus; exit 188B on I-25; road continues north as Poplar Street
947:
419:. Past Alcova, WYO 220 turns back northeast and begins to parallel the
400:, a large granite rock with carvings from mid-19th century emigrants.
1228:"WHD spending about $ 4.7 million on Highway 220, official reports"
482:
357:
1290:"Much-anticipated West Belt Loop bypass opens Thursday in Casper"
381:
184:
376:
Wyoming
Highway 220 begins its western end in Carbon County at
56:
884:
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
384:
at Muddy Gap
Junction and from there heads northeast toward
1201:"Concerns about Highway 220 being ignored, residents claim"
594:
Western terminus; highway continues as US 287/WYO 789 south
299:
25:
1368:
WYO 220 - US 20 BUS/US 26 BUS to I-25/US 20/US 26/US 87
731:
Southern terminus of WYO 257; opened in
December 2015
895:
1288:
967:
965:
333:) is the principal highway connecting the city of
361:I-25 southbound Exit 188B - WYO 220 in Casper, WY
1374:
337:to US 287/WYO 789. WYO 220 lies in northwestern
962:
1040:"Rites Saturday Mark Opening of F St. Highway"
1393:Transportation in Natrona County, Wyoming
1342:
1339:Template:Attached KML/Wyoming Highway 220
1119:"Poplar Street extension open to traffic"
1388:Transportation in Carbon County, Wyoming
1363:WYO 220 - WYO 258 to US 20 BUS/US 26 BUS
1286:
1198:
364:
356:
1287:Richards, Heather (December 30, 2015).
1225:
1116:
937:
935:
933:
479:Chicago, Burlington and Quincy Railroad
16:State highway in Wyoming, United States
1375:
971:
855:Mormon Pioneer National Historic Trail
574:Mormon Pioneer National Historic Trail
503:
1252:
1171:
813:
807:
767:
761:
746:
740:
640:
634:
612:
606:
550:
544:
1348:aaroads.com - Wyoming Routes 200-299
930:
863:Pony Express National Historic Trail
582:Pony Express National Historic Trail
352:
1353:WYO 220 - US 287/WYO 789 to WYO 487
415:of Wyoming. Also to the south lies
394:Pathfinder National Wildlife Refuge
70:72.79 mi (117.14 km)
13:
1226:Wiseman, Daniel (March 24, 1988).
1199:Richards, Gwen (January 2, 1987).
1117:Stovall, Steve (August 15, 1984).
972:Brewer, Harrison (July 31, 1949).
851:California National Historic Trail
570:California National Historic Trail
522:
14:
1414:
1311:
1255:"Council endorses West Loop plan"
914:List of state highways in Wyoming
1253:Brady, Mark H. (July 19, 2000).
1066:"Inner-City Connector Explained"
898:
829:
824:
819:
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444:(exit 188B), which also carries
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24:
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1219:
1192:
1174:"Casper-Alcova Road Rebuilding"
1046:. September 30, 1960. p. 2
44:WYO 220 highlighted in red
1165:
1137:
1110:
1084:
1058:
1032:
998:
859:Oregon National Historic Trail
584:/ Chief Washakie Trail –
578:Oregon National Historic Trail
345:counties and along the famous
1:
1172:Davis, Bill (July 13, 1965).
924:
919:List of highways numbered 220
517:
1358:WYO 220 - WYO 487 to WYO 258
627:Northern terminus of WYO 487
217:Wyoming State Highway System
7:
1276:– via Newspapers.com.
1242:– via Newspapers.com.
1215:– via Newspapers.com.
1188:– via Newspapers.com.
1133:– via Newspapers.com.
1106:– via Newspapers.com.
1098:. July 18, 1968. p. 12
1080:– via Newspapers.com.
1072:. July 27, 1967. p. 10
1054:– via Newspapers.com.
1026:David Rumsey Map Collection
891:
500:, opened in December 2015.
10:
1419:
1092:"October Goal for Highway"
462:
1383:State highways in Wyoming
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878:
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369:Wyoming Highway 220 near
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66:
54:
49:
42:
37:
21:
405:census-designated place
1159:Wyoming State Archives
1016:. 1939. pp. 86–87
701:(Casper West Belt) to
373:
362:
1044:Casper Tribune-Herald
1010:State Farm Road Atlas
979:Casper Tribune-Herald
943:"Wyoming Highway 220"
368:
360:
1343:KML is from Wikidata
413:center of population
390:Pathfinder Reservoir
1295:Casper Star-Tribune
1259:Casper Star-Tribune
1232:Casper Star-Tribune
1205:Casper Star-Tribune
1178:Casper Star-Tribune
1123:Casper Star-Tribune
1096:Casper Star-Tribune
1070:Casper Star-Tribune
755:(Wyoming Boulevard)
504:Major intersections
430:Wyoming Highway 258
425:Wyoming Highway 487
327:Wyoming Highway 220
31:Wyoming Highway 220
421:North Platte River
374:
363:
110:Muddy Gap Junction
906:U.S. Roads portal
889:
888:
398:Independence Rock
353:Route description
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50:Route information
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1012:. 1:1,647,360.
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974:"Wyoming Story"
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799:US 26 Bus.
795:US 20 Bus.
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83:Major junctions
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55:Maintained by
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38:Alcova Highway
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22:
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1403:U.S. Route 87
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1398:U.S. Route 20
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442:Interstate 25
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371:Martin's Cove
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341:and southern
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116:East end
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20:
1319:
1298:. Retrieved
1294:
1282:
1270:. Retrieved
1258:
1248:
1236:. Retrieved
1234:. p. A3
1231:
1221:
1209:. Retrieved
1207:. p. A3
1204:
1194:
1182:. Retrieved
1177:
1167:
1157:– via
1151:. Retrieved
1146:Wyoming 1985
1145:
1139:
1127:. Retrieved
1125:. p. A3
1122:
1112:
1100:. Retrieved
1095:
1086:
1074:. Retrieved
1069:
1060:
1048:. Retrieved
1043:
1034:
1024:– via
1018:. Retrieved
1014:Rand McNally
1009:
1000:
990:– via
984:. Retrieved
982:. p. 10
977:
954:November 13,
952:. Retrieved
946:
753:WYO 258
699:WYO 257
623:Medicine Bow
619:WYO 487
566:WYO 789
527:Destinations
495:
491:
475:
470:Oregon Trail
466:
458:
402:
396:. It passes
375:
347:Oregon Trail
330:
326:
325:
297:
269:WYO 221
254:WYO 219
216:
106:WYO 789
78:1938–present
1261:. pp.
1180:. p. 2
948:Google Maps
562:US 287
498:Highway 257
487:Highway 255
417:Alcova Lake
102:US 287
1377:Categories
925:References
847:US 87
843:US 26
839:US 20
715:US 26
711:US 20
707:US 87
314:US 89
292:US 87
224:Interstate
152:US 87
148:US 26
144:US 20
59:, City of
1006:"Wyoming"
541:Muddy Gap
456:as well.
407:(CDP) of
1321:KML file
1300:June 24,
1272:June 24,
1238:June 24,
1211:June 24,
1184:June 24,
1153:June 24,
1129:June 24,
1102:June 24,
1076:June 24,
1050:June 24,
1020:June 24,
986:June 24,
892:See also
871:Cheyenne
865: –
849: /
845: /
841: /
837: /
797: /
727:Shoshoni
723:Cheyenne
719:Sheridan
717: –
713: /
709: /
705: /
621: –
568: /
564: /
514:Location
483:railyard
392:and the
191:Counties
166:Location
150: /
146: /
142: /
104: /
1008:(Map).
945:(Map).
875:Airport
867:Buffalo
811:117.144
765:116.066
744:111.463
638:102.861
632:
604:
600:Natrona
586:Rawlins
463:History
382:WYO 789
343:Natrona
331:WYO 220
199:Natrona
185:Wyoming
171:Country
75:Existed
808:72.790
762:72.120
741:69.260
737:Casper
635:63.915
610:85.569
607:53.170
590:Lander
536:Carbon
511:County
411:, the
409:Alcova
386:Casper
378:US 287
339:Carbon
335:Casper
195:Carbon
156:Casper
67:Length
61:Casper
548:0.000
545:0.000
530:Notes
454:US 87
450:US 26
446:US 20
234:State
181:State
57:WYDOT
1330:help
1326:edit
1302:2023
1274:2023
1240:2023
1213:2023
1186:2023
1155:2023
1131:2023
1104:2023
1078:2023
1052:2023
1022:2023
988:2023
956:2016
835:I-25
703:I-25
140:I-25
1267:A12
154:in
108:at
1379::
1328:•
1293:.
1265:,
1263:A1
1257:.
1230:.
1203:.
1176:.
1121:.
1094:.
1068:.
1042:.
976:.
964:^
932:^
873:,
869:,
861:/
857:/
853:/
725:,
721:,
588:,
580:/
576:/
572:/
523:km
518:mi
489:.
349:.
306:→
284:←
261:→
246:←
229:US
197:,
1332:)
1324:(
1304:.
1161:.
1028:.
994:.
958:.
452:/
448:/
436:/
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329:(
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