395:
958:
907:
840:
804:
771:
1291:
690:
100:
914:
1189:
1127:
26:
1477:
335:
1443:
1251:
1182:
1120:
320:
442:
1401:
1363:
1327:
1285:
1221:
1195:
1176:
1133:
1114:
1077:
1016:
989:
952:
920:
901:
798:
765:
734:
695:
105:
1407:
1369:
1038:
862:
157:
143:
129:
1483:
179:
516:(IHC) to renumber Iowa's state highways. The goal of the effort was to reduce confusion among drivers crossing into Iowa from other states by aligning Iowa's route numbers with their adjoining routes in other states. However, most of the route on which Iowa 4 is now applied has been in the primary highway system since it was created in 1920.
586:
was introduced, Iowa 17 was shortened on both ends. A service bulletin from the IHC in late 1925 listed Iowa 17 would begin in
Jefferson and follow the same route to Estherville. However, maps published the highway commission in 1927 show the route extended south to Adel ending at
386:. The route was created on January 1, 1969, when several route designations were changed to match other states' route numbers. Before 1969, Iowa 4 was known as Iowa 17.
633:
has caused a portion of that route to be rerouted onto Iowa 4. The expressway begins eastbound at Iowa 4 and extends across the rest of the state to
1567:
1387:
1156:
1312:
1308:
1058:
1003:
1160:
591:. By 1931, it had been extended north to the Minnesota state line along what was then Emmet County Road H (CR H).
751:
719:
1463:
1098:
1062:
938:
887:
1094:
1867:
715:
519:
At its designation, Primary Road No. 17 was a much longer route than Iowa 4 is today. Primary Road No. 17 began in
283:
1792:
1545:
51:
1814:
1892:
622:. Over the next 28 years, sections of Iowa 17 were straightened and the paving of the route was completed.
293:
1854:
1849:
1607:
513:
288:
1538:
1081:
275:
488:
Iowa 4 and US 18 continue west of
Emmetsburg together, then Iowa 4 turns north to go through
303:
1487:
626:
383:
182:
1151:
843:
504:. Iowa 4 then goes northeasterly out of Estherville before ending at the Minnesota border.
338:
243:
1783:
1756:
1729:
1702:
1675:
1648:
1598:
1344:
248:
1411:
1373:
1041:
865:
435:
160:
146:
132:
882:
869:
702:
672:
611:
482:
449:
After crossing US 20 at a diamond interchange, Iowa 4 continues north, and intersects
415:
359:
298:
238:
228:
1866:
402:
Iowa
Highway 4 begins at Panora at Iowa 44. It goes north and is briefly overlapped with
8:
1491:
993:
976:
822:
706:
583:
552:
431:
233:
150:
1511:
1425:
1258:
928:
599:
253:
1858:
1450:
1430:
576:
564:
501:
493:
489:
379:
186:
1572:
1349:
1337:
1238:
1231:
1087:
1049:
1045:
962:
924:
808:
775:
744:
619:
607:
560:
556:
536:
478:
458:
423:
403:
164:
594:
Ten years later, the southern end of the route shifted west to its current in end
1454:
1295:
966:
827:
698:
548:
532:
466:
427:
411:
367:
136:
108:
394:
1819:
1446:
1271:
1262:
1254:
1199:
1137:
1020:
873:
572:
528:
497:
470:
462:
450:
323:
1886:
1415:
1299:
779:
634:
474:
454:
419:
205:
1377:
1331:
1225:
1141:
812:
677:
595:
371:
112:
1203:
615:
603:
544:
520:
366:. It is 146 miles (235 km) long, beginning at an intersection with
738:
630:
568:
540:
524:
426:. At Iowa 175, the highway turns west, with Iowa 175, passing through
407:
588:
375:
512:
Iowa 4 was created on
January 1, 1969, during an effort by the
598:, replacing Iowa 150 in its entirety. The sections that were
1397:
1359:
1172:
1110:
948:
897:
794:
761:
441:
430:. It turns north west of Lohrville, and continues north through
1876:
25:
492:. Iowa 4 then turns slightly northwesterly to go through
1501:
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
567:. It ended at the intersection of Primary Road Nos. 4 (now
363:
215:
1539:
2018 Volume of
Traffic on the Primary Road System of Iowa
1824:. Ames: Iowa Department of Transportation. April 9, 2021
418:(US 30). It goes north, then turns west to enter
1419:
1381:
1207:
1145:
970:
932:
816:
783:
1637:(10–11–12). Iowa State Highway Commission: 8. 1925.
610:were removed, while the standalone section between
362:which runs from north to south across the state of
539:. It continued west and north by passing through
1884:
1776:
625:As of 2011, construction of a new four-lane
1622:
1764:(Map). Iowa State Highway Commission. 1968
1737:(Map). Iowa State Highway Commission. 1941
1710:(Map). Iowa State Highway Commission. 1931
1683:(Map). Iowa State Highway Commission. 1930
1656:(Map). Iowa State Highway Commission. 1927
465:. North of Pocahontas, Iowa 4 meets
1871:
1593:
1591:
1560:
440:
393:
1885:
1807:
1749:
1722:
1695:
1668:
1641:
1588:
1531:
640:
457:, then Iowa 4 goes north through
61:146.343 mi (235.516 km)
1473:
1467:
1440:
1434:
1391:
1353:
1324:
1318:
1281:
1275:
1248:
1242:
1218:
1212:
1166:
1104:
1074:
1068:
1035:
1029:
1013:
1007:
986:
980:
942:
891:
859:
853:
837:
831:
788:
755:
731:
725:
687:
681:
1868:Template:Attached KML/Iowa Highway 4
477:. Iowa 4 then goes north into
389:
16:State highway in Iowa, United States
445:Iowa 4 along Broadway in Emmetsburg
13:
1629:"October–November–December 1925".
659:
14:
1904:
1840:
1793:Iowa Department of Transportation
1576:. Dubuque, Iowa. January 14, 1969
1546:Iowa Department of Transportation
547:before turning more northerly at
422:, then turns north until meeting
1481:
1475:
1441:
1405:
1399:
1367:
1361:
1325:
1289:
1283:
1249:
1219:
1193:
1187:
1180:
1174:
1131:
1125:
1118:
1112:
1075:
1036:
1014:
987:
971:Northern end of Iowa 175 overlap
956:
950:
933:Southern end of Iowa 175 overlap
927:east / CR P13 north –
918:
912:
905:
899:
860:
838:
817:Northern end of Iowa 141 overlap
802:
796:
784:Southern end of Iowa 141 overlap
769:
763:
732:
693:
688:
333:
318:
177:
155:
141:
127:
103:
98:
24:
1202:west / CR C66 east –
1140:east / CR D15 west –
531:) and headed northwest through
461:, which is where it intersects
1208:Northern end of Iowa 7 overlap
1146:Southern end of Iowa 7 overlap
844:Lincoln Highway Heritage Byway
1:
1608:Iowa State Highway Commission
1524:
1420:Northern end of US 18 overlap
1382:Southern end of US 18 overlap
654:
514:Iowa State Highway Commission
992:CR D36 (High Street) –
523:at Primary Road Nos. 8 (now
410:. It continues north until
7:
1568:"New Iowa Map Goes on Sale"
1496:Continuation into Minnesota
276:Iowa Primary Highway System
10:
1909:
1376:east (Main Street) –
1257:(Elm Street South) –
507:
1500:
1495:
1470:
1462:
1458:
1437:
1429:
1424:
1394:
1386:
1356:
1348:
1343:
1335:
1321:
1307:
1303:
1278:
1270:
1266:
1245:
1237:
1229:
1215:
1169:
1155:
1150:
1107:
1093:
1085:
1071:
1057:
1053:
1032:
1024:
1010:
1002:
997:
983:
975:
945:
937:
894:
886:
881:
877:
856:
848:
834:
826:
821:
791:
758:
750:
742:
728:
714:
710:
684:
676:
671:
666:
663:
658:
653:
650:
647:
398:Iowa 4 terminus in Panora
384:Minnesota State Highway 4
382:. It continues north as
311:
271:
266:
262:
221:
211:
201:
196:
192:
173:
118:
94:
89:
81:
69:January 1, 1969
65:
57:
49:
44:
39:Iowa 4 highlighted in red
37:
21:
1507:
1449:(Central Avenue) –
453:. They overlap through
1815:"Road Network (Portal)"
473:before passing through
85:1920–1968: Iowa 17
1893:State highways in Iowa
1877:The Iowa Highways Page
1758:Iowa State Highway Map
1731:Iowa State Highway Map
1704:Iowa State Highway Map
1677:Iowa State Highway Map
1650:Iowa State Highway Map
1600:Iowa State Highway Map
701: / CR P28 –
446:
434:, where it intersects
414:, where it intersects
399:
1082:Twin Lakes State Park
444:
397:
1872:KML is from Wikidata
378:state line north of
1388:Emmetsburg Township
1004:Twin Lakes Township
846:(Lincolnway Street)
641:Major intersections
584:U.S. Highway System
120:Major intersections
1785:Transportation Map
1464:Ellsworth Township
582:In 1926, when the
447:
400:
374:and ending at the
111: / CR P28 at
1522:
1521:
752:Richland Township
602:with US 30,
496:, before meeting
481:, where it meets
390:Route description
349:
348:
345:
344:
45:Route information
1900:
1879:by Jason Hancock
1862:
1834:
1833:
1831:
1829:
1823:
1811:
1805:
1804:
1802:
1800:
1790:
1780:
1774:
1773:
1771:
1769:
1763:
1753:
1747:
1746:
1744:
1742:
1736:
1726:
1720:
1719:
1717:
1715:
1709:
1699:
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1692:
1690:
1688:
1682:
1672:
1666:
1665:
1663:
1661:
1655:
1645:
1639:
1638:
1631:Service Bulletin
1626:
1620:
1619:
1617:
1615:
1605:
1595:
1586:
1585:
1583:
1581:
1573:Telegraph-Herald
1564:
1558:
1557:
1555:
1553:
1543:
1535:
1515:
1508:
1486:
1485:
1484:
1479:
1478:
1445:
1444:
1410:
1409:
1408:
1403:
1402:
1372:
1371:
1370:
1365:
1364:
1329:
1328:
1294:
1293:
1292:
1287:
1286:
1253:
1252:
1223:
1222:
1198:
1197:
1196:
1191:
1190:
1185:
1184:
1183:
1178:
1177:
1136:
1135:
1134:
1129:
1128:
1123:
1122:
1121:
1116:
1115:
1079:
1078:
1040:
1039:
1018:
1017:
991:
990:
961:
960:
959:
954:
953:
939:Calhoun Township
923:
922:
921:
916:
915:
910:
909:
908:
903:
902:
888:Reading Township
864:
863:
842:
841:
807:
806:
805:
800:
799:
774:
773:
772:
767:
766:
736:
735:
697:
696:
692:
691:
661:
656:
645:
644:
600:duplicate routes
404:Iowa Highway 141
341:
337:
336:
326:
322:
321:
313:
312:
181:
180:
159:
158:
145:
144:
131:
130:
121:
107:
106:
102:
101:
76:
74:
28:
19:
18:
1908:
1907:
1903:
1902:
1901:
1899:
1898:
1897:
1883:
1882:
1873:
1870:
1865:
1864:
1863:
1847:
1843:
1838:
1837:
1827:
1825:
1817:
1813:
1812:
1808:
1798:
1796:
1788:
1782:
1781:
1777:
1767:
1765:
1761:
1755:
1754:
1750:
1740:
1738:
1734:
1728:
1727:
1723:
1713:
1711:
1707:
1701:
1700:
1696:
1686:
1684:
1680:
1674:
1673:
1669:
1659:
1657:
1653:
1647:
1646:
1642:
1628:
1627:
1623:
1613:
1611:
1603:
1597:
1596:
1589:
1579:
1577:
1566:
1565:
1561:
1551:
1549:
1548:. July 31, 2019
1541:
1537:
1536:
1532:
1527:
1518:
1510:
1506:
1502:
1482:
1480:
1476:
1474:
1442:
1406:
1404:
1400:
1398:
1368:
1366:
1362:
1360:
1326:
1315:
1290:
1288:
1284:
1282:
1250:
1220:
1194:
1192:
1188:
1186:
1181:
1179:
1175:
1173:
1163:
1132:
1130:
1126:
1124:
1119:
1117:
1113:
1111:
1101:
1076:
1065:
1037:
1015:
988:
957:
955:
951:
949:
919:
917:
913:
911:
906:
904:
900:
898:
861:
839:
803:
801:
797:
795:
770:
768:
764:
762:
733:
722:
694:
689:
643:
618:became part of
510:
416:U.S. Highway 30
392:
368:Iowa Highway 44
334:
332:
319:
317:
258:
178:
169:
156:
142:
128:
119:
104:
99:
90:Major junctions
72:
70:
40:
33:
32:
29:
17:
12:
11:
5:
1906:
1896:
1895:
1881:
1880:
1846:
1845:
1844:
1842:
1841:External links
1839:
1836:
1835:
1820:ESRI shapefile
1806:
1775:
1748:
1721:
1694:
1667:
1640:
1621:
1587:
1559:
1529:
1528:
1526:
1523:
1520:
1519:
1517:
1516:
1503:
1498:
1497:
1494:
1472:
1469:
1466:
1460:
1459:
1457:
1439:
1436:
1433:
1428:
1422:
1421:
1418:
1396:
1393:
1390:
1384:
1383:
1380:
1358:
1355:
1352:
1347:
1341:
1340:
1334:
1330:CR C15 –
1323:
1320:
1317:
1305:
1304:
1302:
1280:
1277:
1274:
1268:
1267:
1265:
1247:
1244:
1241:
1235:
1234:
1228:
1224:CR C56 –
1217:
1214:
1210:
1209:
1206:
1171:
1168:
1165:
1154:
1148:
1147:
1144:
1109:
1106:
1103:
1091:
1090:
1084:
1080:CR N57 –
1073:
1070:
1067:
1055:
1054:
1052:
1034:
1031:
1027:
1026:
1023:
1019:CR D36 –
1012:
1009:
1006:
1000:
999:
996:
985:
982:
979:
973:
972:
969:
947:
944:
941:
935:
934:
931:
896:
893:
890:
885:
879:
878:
876:
870:Grand Junction
858:
855:
851:
850:
847:
836:
833:
830:
825:
819:
818:
815:
793:
790:
786:
785:
782:
760:
757:
754:
748:
747:
741:
737:CR F25 –
730:
727:
724:
712:
711:
709:
703:Guthrie Center
686:
683:
680:
675:
669:
668:
665:
662:
657:
652:
649:
642:
639:
612:Grand Junction
551:. It entered
527:) and 59 (now
509:
506:
391:
388:
352:Iowa Highway 4
347:
346:
343:
342:
329:
327:
309:
308:
307:
306:
301:
296:
291:
286:
280:
279:
269:
268:
267:Highway system
264:
263:
260:
259:
257:
256:
251:
246:
241:
236:
231:
225:
223:
219:
218:
213:
209:
208:
203:
199:
198:
194:
193:
190:
189:
175:
174:North end
171:
170:
168:
167:
153:
139:
124:
122:
116:
115:
96:
95:South end
92:
91:
87:
86:
83:
79:
78:
67:
63:
62:
59:
55:
54:
50:Maintained by
47:
46:
42:
41:
38:
35:
34:
31:Iowa Highway 4
30:
23:
22:
15:
9:
6:
4:
3:
2:
1905:
1894:
1891:
1890:
1888:
1878:
1875:
1874:
1869:
1860:
1856:
1852:
1851:
1821:
1816:
1810:
1794:
1787:
1786:
1779:
1760:
1759:
1752:
1733:
1732:
1725:
1706:
1705:
1698:
1679:
1678:
1671:
1652:
1651:
1644:
1636:
1632:
1625:
1609:
1602:
1601:
1594:
1592:
1575:
1574:
1569:
1563:
1547:
1540:
1534:
1530:
1513:
1505:
1504:
1499:
1493:
1490:north –
1489:
1465:
1461:
1456:
1452:
1448:
1432:
1427:
1423:
1417:
1413:
1389:
1385:
1379:
1375:
1351:
1346:
1342:
1339:
1333:
1316:township line
1314:
1310:
1306:
1301:
1297:
1273:
1269:
1264:
1260:
1256:
1240:
1236:
1233:
1227:
1211:
1205:
1201:
1164:township line
1162:
1158:
1153:
1149:
1143:
1139:
1102:township line
1100:
1096:
1092:
1089:
1083:
1066:township line
1064:
1060:
1056:
1051:
1047:
1043:
1028:
1022:
1005:
1001:
995:
994:Rockwell City
978:
977:Rockwell City
974:
968:
964:
963:Iowa 175
940:
936:
930:
926:
925:Iowa 175
889:
884:
880:
875:
871:
867:
852:
845:
829:
824:
820:
814:
810:
809:Iowa 141
787:
781:
777:
776:Iowa 141
753:
749:
746:
740:
723:township line
721:
717:
713:
708:
707:Dallas Center
704:
700:
679:
674:
670:
646:
638:
636:
632:
628:
623:
621:
620:Iowa 144
617:
613:
609:
608:Iowa 141
605:
601:
597:
592:
590:
585:
580:
578:
574:
570:
566:
562:
558:
554:
553:Rockwell City
550:
546:
542:
538:
534:
530:
526:
522:
517:
515:
505:
503:
499:
495:
491:
486:
484:
480:
476:
472:
468:
464:
460:
456:
452:
443:
439:
437:
433:
432:Rockwell City
429:
425:
424:Iowa 175
421:
417:
413:
409:
405:
396:
387:
385:
381:
377:
373:
369:
365:
361:
360:state highway
357:
353:
340:
330:
328:
325:
315:
314:
310:
305:
302:
300:
297:
295:
292:
290:
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207:
206:United States
204:
200:
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191:
188:
184:
176:
172:
166:
162:
154:
152:
151:Rockwell City
148:
140:
138:
134:
126:
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114:
110:
97:
93:
88:
84:
80:
68:
64:
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56:
53:
48:
43:
36:
27:
20:
1848:
1826:. Retrieved
1809:
1797:. Retrieved
1784:
1778:
1766:. Retrieved
1757:
1751:
1739:. Retrieved
1730:
1724:
1712:. Retrieved
1703:
1697:
1685:. Retrieved
1676:
1670:
1658:. Retrieved
1649:
1643:
1634:
1630:
1624:
1612:. Retrieved
1599:
1578:. Retrieved
1571:
1562:
1550:. Retrieved
1533:
1509:
1414:west –
1298:west –
1296:Iowa 10
1259:Gilmore City
1025:Former US 20
998:Former US 20
965:west –
929:Farnhamville
849:Former US 30
811:west –
778:east –
699:Iowa 44
664:Destinations
624:
593:
581:
518:
511:
487:
467:Iowa 10
448:
401:
355:
351:
350:
274:
109:Iowa 44
1799:October 12,
1768:October 12,
1741:October 12,
1714:October 12,
1687:October 12,
1660:October 12,
1614:October 12,
1580:October 12,
1512:Concurrency
1451:Spirit Lake
1447:Iowa 9
1431:Estherville
1255:Iowa 3
1200:Iowa 7
1138:Iowa 7
604:US 169
577:Spirit Lake
565:Estherville
529:Iowa 5
502:Estherville
498:Iowa 9
494:Wallingford
490:Graettinger
463:Iowa 3
451:Iowa 7
380:Estherville
324:Iowa 3
187:Estherville
1828:August 19,
1552:October 1,
1544:(Report).
1525:References
1412:US 18
1374:US 18
1350:Emmetsburg
1239:Pocahontas
1152:Pocahontas
1059:Twin Lakes
1050:Sioux City
1046:Fort Dodge
1042:US 20
866:US 30
631:US 20
627:expressway
569:US 71
561:Emmetsburg
557:Pocahontas
537:Des Moines
525:US 34
483:US 18
479:Emmetsburg
459:Pocahontas
436:US 20
284:Interstate
244:Pocahontas
165:Emmetsburg
161:US 18
147:US 20
133:US 30
73:1969-01-01
1488:MN 4
1455:Armstrong
1345:Palo Alto
1157:Bellville
967:Lake City
828:Jefferson
589:US 6
549:Jefferson
533:Knoxville
428:Lohrville
412:Jefferson
406:north of
376:Minnesota
299:Secondary
249:Palo Alto
185:north of
183:MN 4
137:Jefferson
1887:Category
1850:KML file
1514:terminus
1492:Sherburn
1338:Iowa 195
1313:Powhatan
1272:Havelock
1263:Cherokee
1232:Iowa 315
1088:Iowa 124
1044: –
1021:Sac City
874:Scranton
868: –
745:Iowa 271
720:Richland
651:Location
471:Havelock
469:east of
222:Counties
197:Location
77:–present
52:Iowa DOT
1791:(Map).
1606:(Map).
1471:235.518
1468:146.344
1438:222.304
1435:138.133
1416:Spencer
1395:189.946
1392:118.027
1357:182.271
1354:113.258
1336:Former
1322:156.306
1309:Cummins
1300:Laurens
1279:150.659
1246:140.135
1230:Former
1216:128.902
1170:124.085
1108:116.159
1099:Sherman
1086:Former
1072:111.128
1063:Sherman
1033:108.430
1011:102.752
984:101.142
883:Calhoun
780:Jamaica
743:Former
673:Guthrie
635:Dubuque
508:History
475:Mallard
455:Pomeroy
420:Churdan
358:) is a
239:Calhoun
229:Guthrie
202:Country
82:History
71: (
66:Existed
1795:. 2011
1610:. 1919
1378:Algona
1332:Plover
1319:97.124
1276:93.615
1243:87.076
1226:Palmer
1213:80.096
1167:77.103
1161:Colfax
1142:Manson
1105:72.178
1095:Butler
1069:69.052
1030:67.375
1008:63.847
981:62.847
946:86.560
943:53.786
895:72.271
892:44.907
857:38.629
854:24.003
835:36.500
832:22.680
823:Greene
813:Bagley
792:17.214
789:10.696
759:16.494
756:10.249
678:Panora
648:County
606:, and
596:Panora
571:) and
563:, and
372:Panora
356:Iowa 4
304:Scenic
234:Greene
113:Panora
58:Length
1789:(PDF)
1762:(PDF)
1735:(PDF)
1708:(PDF)
1681:(PDF)
1654:(PDF)
1604:(PDF)
1542:(PDF)
1426:Emmet
1204:Fonda
729:9.625
726:5.981
685:0.000
682:0.000
667:Notes
616:Perry
545:Perry
521:Albia
339:No. 4
294:State
254:Emmet
212:State
149:near
1859:help
1855:edit
1830:2021
1801:2011
1770:2011
1743:2011
1716:2011
1689:2011
1662:2011
1635:XIII
1616:2011
1582:2011
1554:2010
739:Yale
716:Cass
629:for
614:and
543:and
541:Adel
535:and
408:Yale
364:Iowa
216:Iowa
575:in
500:in
370:in
163:at
135:at
1889::
1857:•
1633:.
1590:^
1570:.
1453:,
1261:,
1048:,
872:,
705:,
660:km
655:mi
637:.
579:.
559:,
555:,
485:.
438:.
331:→
316:←
289:US
1861:)
1853:(
1832:.
1822:)
1818:(
1803:.
1772:.
1745:.
1718:.
1691:.
1664:.
1618:.
1584:.
1556:.
1311:–
1159:–
1097:–
1061:–
718:–
573:9
354:(
75:)
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