406:
969:
918:
851:
815:
782:
1302:
701:
111:
925:
1200:
1138:
37:
1488:
346:
1454:
1262:
1193:
1131:
331:
453:
1412:
1374:
1338:
1296:
1232:
1206:
1187:
1144:
1125:
1088:
1027:
1000:
963:
931:
912:
809:
776:
745:
706:
116:
527:(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.
1418:
1380:
1049:
873:
168:
154:
140:
1494:
190:
597:
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
397:. 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.
644:
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
1398:
1167:
1323:
1319:
1069:
1014:
1171:
762:
730:
1474:
1109:
1073:
949:
898:
1105:
1878:
1578:
726:
294:
1803:
1556:
62:
602:. By 1931, it had been extended north to the Minnesota state line along what was then Emmet County Road H (CR H).
1903:
304:
1618:
524:
299:
530:
At its designation, Primary Road No. 17 was a much longer route than Iowa 4 is today. Primary Road No. 17 began in
1092:
286:
314:
1825:
1498:
637:
633:. Over the next 28 years, sections of Iowa 17 were straightened and the paving of the route was completed.
394:
193:
1549:
1162:
854:
349:
254:
1355:
259:
1422:
1384:
1052:
876:
446:
171:
157:
143:
499:
Iowa 4 and US 18 continue west of
Emmetsburg together, then Iowa 4 turns north to go through
893:
880:
713:
683:
622:
493:
426:
370:
309:
249:
239:
1502:
1004:
987:
833:
717:
594:
563:
442:
244:
161:
1522:
1436:
1269:
939:
610:
515:. Iowa 4 then goes northeasterly out of Estherville before ending at the Minnesota border.
264:
1794:
1767:
1740:
1713:
1686:
1659:
1609:
405:
1869:
1461:
1441:
587:
575:
512:
504:
500:
390:
197:
1583:
1360:
1348:
1249:
1242:
1098:
1060:
1056:
973:
935:
819:
786:
755:
630:
618:
571:
567:
547:
489:
469:
434:
414:
175:
460:
After crossing US 20 at a diamond interchange, Iowa 4 continues north, and intersects
17:
1465:
1306:
977:
838:
709:
559:
543:
477:
438:
422:
413:
Iowa
Highway 4 begins at Panora at Iowa 44. It goes north and is briefly overlapped with
378:
147:
119:
1830:
1457:
1282:
1273:
1265:
1210:
1148:
1031:
884:
583:
539:
508:
481:
473:
461:
334:
1897:
1426:
1310:
790:
645:
485:
465:
430:
216:
1388:
1342:
1236:
1152:
823:
688:
606:
382:
123:
605:
Ten years later, the southern end of the route shifted west to its current in end
1214:
626:
614:
555:
531:
749:
641:
579:
551:
535:
452:
418:
599:
386:
36:
377:. It is 146 miles (235 km) long, beginning at an intersection with
437:. At Iowa 175, the highway turns west, with Iowa 175, passing through
523:
Iowa 4 was created on
January 1, 1969, during an effort by the
609:, replacing Iowa 150 in its entirety. The sections that were
1408:
1370:
1183:
1121:
959:
908:
805:
772:
451:
404:
441:. It turns north west of Lohrville, and continues north through
1887:
374:
226:
503:. Iowa 4 then turns slightly northwesterly to go through
1512:
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
578:. It ended at the intersection of Primary Road Nos. 4 (now
1877:
1550:
2018 Volume of
Traffic on the Primary Road System of Iowa
1835:. Ames: Iowa Department of Transportation. April 9, 2021
1865:
1860:
429:(US 30). It goes north, then turns west to enter
1430:
1392:
1218:
1156:
981:
943:
827:
794:
1648:(10–11–12). Iowa State Highway Commission: 8. 1925.
621:were removed, while the standalone section between
373:which runs from north to south across the state of
277:
232:
222:
212:
207:
184:
129:
105:
100:
92:
76:
68:
55:
32:
550:. It continued west and north by passing through
8:
636:As of 2011, construction of a new four-lane
1775:(Map). Iowa State Highway Commission. 1968
1748:(Map). Iowa State Highway Commission. 1941
1721:(Map). Iowa State Highway Commission. 1931
1694:(Map). Iowa State Highway Commission. 1930
1667:(Map). Iowa State Highway Commission. 1927
655:
476:. North of Pocahontas, Iowa 4 meets
323:
1882:
1604:
1602:
1541:
468:, then Iowa 4 goes north through
72:146.343 mi (235.516 km)
29:
1484:
1478:
1451:
1445:
1402:
1364:
1335:
1329:
1292:
1286:
1259:
1253:
1229:
1223:
1177:
1115:
1085:
1079:
1046:
1040:
1024:
1018:
997:
991:
953:
902:
870:
864:
848:
842:
799:
766:
742:
736:
698:
692:
7:
1879:Template:Attached KML/Iowa Highway 4
488:. Iowa 4 then goes north into
27:State highway in Iowa, United States
456:Iowa 4 along Broadway in Emmetsburg
1640:"October–November–December 1925".
670:
25:
1804:Iowa Department of Transportation
1587:. Dubuque, Iowa. January 14, 1969
1557:Iowa Department of Transportation
558:before turning more northerly at
433:, then turns north until meeting
1492:
1486:
1452:
1416:
1410:
1378:
1372:
1336:
1300:
1294:
1260:
1230:
1204:
1198:
1191:
1185:
1142:
1136:
1129:
1123:
1086:
1047:
1025:
998:
982:Northern end of Iowa 175 overlap
967:
961:
944:Southern end of Iowa 175 overlap
938:east / CR P13 north –
929:
923:
916:
910:
871:
849:
828:Northern end of Iowa 141 overlap
813:
807:
795:Southern end of Iowa 141 overlap
780:
774:
743:
704:
699:
344:
329:
188:
166:
152:
138:
114:
109:
35:
1213:west / CR C66 east –
1151:east / CR D15 west –
542:) and headed northwest through
472:, which is where it intersects
1219:Northern end of Iowa 7 overlap
1157:Southern end of Iowa 7 overlap
855:Lincoln Highway Heritage Byway
1:
1619:Iowa State Highway Commission
1431:Northern end of US 18 overlap
1393:Southern end of US 18 overlap
665:
525:Iowa State Highway Commission
1003:CR D36 (High Street) –
534:at Primary Road Nos. 8 (now
421:. It continues north until
1579:"New Iowa Map Goes on Sale"
1507:Continuation into Minnesota
287:Iowa Primary Highway System
18:Iowa Highway 17 (1920–1968)
1920:
1387:east (Main Street) –
1268:(Elm Street South) –
1511:
1506:
1481:
1473:
1469:
1448:
1440:
1435:
1405:
1397:
1367:
1359:
1354:
1346:
1332:
1318:
1314:
1289:
1281:
1277:
1256:
1248:
1240:
1226:
1180:
1166:
1161:
1118:
1104:
1096:
1082:
1068:
1064:
1043:
1035:
1021:
1013:
1008:
994:
986:
956:
948:
905:
897:
892:
888:
867:
859:
845:
837:
832:
802:
769:
761:
753:
739:
725:
721:
695:
687:
682:
677:
674:
669:
664:
661:
658:
409:Iowa 4 terminus in Panora
395:Minnesota State Highway 4
393:. It continues north as
322:
282:
273:
203:
80:January 1, 1969
60:
50:Iowa 4 highlighted in red
48:
1518:
1460:(Central Avenue) –
464:. They overlap through
1826:"Road Network (Portal)"
484:before passing through
96:1920–1968: Iowa 17
1904:State highways in Iowa
1888:The Iowa Highways Page
1769:Iowa State Highway Map
1742:Iowa State Highway Map
1715:Iowa State Highway Map
1688:Iowa State Highway Map
1661:Iowa State Highway Map
1611:Iowa State Highway Map
712: / CR P28 –
457:
445:, where it intersects
425:, where it intersects
410:
1093:Twin Lakes State Park
455:
408:
1883:KML is from Wikidata
389:state line north of
1399:Emmetsburg Township
1015:Twin Lakes Township
857:(Lincolnway Street)
652:Major intersections
595:U.S. Highway System
131:Major intersections
1796:Transportation Map
1475:Ellsworth Township
593:In 1926, when the
458:
411:
385:and ending at the
122: / CR P28 at
1533:
1532:
763:Richland Township
613:with US 30,
507:, before meeting
492:, where it meets
401:Route description
360:
359:
356:
355:
56:Route information
16:(Redirected from
1911:
1890:by Jason Hancock
1873:
1845:
1844:
1842:
1840:
1834:
1822:
1816:
1815:
1813:
1811:
1801:
1791:
1785:
1784:
1782:
1780:
1774:
1764:
1758:
1757:
1755:
1753:
1747:
1737:
1731:
1730:
1728:
1726:
1720:
1710:
1704:
1703:
1701:
1699:
1693:
1683:
1677:
1676:
1674:
1672:
1666:
1656:
1650:
1649:
1642:Service Bulletin
1637:
1631:
1630:
1628:
1626:
1616:
1606:
1597:
1596:
1594:
1592:
1584:Telegraph-Herald
1575:
1569:
1568:
1566:
1564:
1554:
1546:
1526:
1519:
1497:
1496:
1495:
1490:
1489:
1456:
1455:
1421:
1420:
1419:
1414:
1413:
1383:
1382:
1381:
1376:
1375:
1340:
1339:
1305:
1304:
1303:
1298:
1297:
1264:
1263:
1234:
1233:
1209:
1208:
1207:
1202:
1201:
1196:
1195:
1194:
1189:
1188:
1147:
1146:
1145:
1140:
1139:
1134:
1133:
1132:
1127:
1126:
1090:
1089:
1051:
1050:
1029:
1028:
1002:
1001:
972:
971:
970:
965:
964:
950:Calhoun Township
934:
933:
932:
927:
926:
921:
920:
919:
914:
913:
899:Reading Township
875:
874:
853:
852:
818:
817:
816:
811:
810:
785:
784:
783:
778:
777:
747:
746:
708:
707:
703:
702:
672:
667:
656:
611:duplicate routes
415:Iowa Highway 141
352:
348:
347:
337:
333:
332:
324:
192:
191:
170:
169:
156:
155:
142:
141:
132:
118:
117:
113:
112:
87:
85:
39:
30:
21:
1919:
1918:
1914:
1913:
1912:
1910:
1909:
1908:
1894:
1893:
1884:
1881:
1876:
1875:
1874:
1858:
1854:
1849:
1848:
1838:
1836:
1828:
1824:
1823:
1819:
1809:
1807:
1799:
1793:
1792:
1788:
1778:
1776:
1772:
1766:
1765:
1761:
1751:
1749:
1745:
1739:
1738:
1734:
1724:
1722:
1718:
1712:
1711:
1707:
1697:
1695:
1691:
1685:
1684:
1680:
1670:
1668:
1664:
1658:
1657:
1653:
1639:
1638:
1634:
1624:
1622:
1614:
1608:
1607:
1600:
1590:
1588:
1577:
1576:
1572:
1562:
1560:
1559:. July 31, 2019
1552:
1548:
1547:
1543:
1538:
1529:
1521:
1517:
1513:
1493:
1491:
1487:
1485:
1453:
1417:
1415:
1411:
1409:
1379:
1377:
1373:
1371:
1337:
1326:
1301:
1299:
1295:
1293:
1261:
1231:
1205:
1203:
1199:
1197:
1192:
1190:
1186:
1184:
1174:
1143:
1141:
1137:
1135:
1130:
1128:
1124:
1122:
1112:
1087:
1076:
1048:
1026:
999:
968:
966:
962:
960:
930:
928:
924:
922:
917:
915:
911:
909:
872:
850:
814:
812:
808:
806:
781:
779:
775:
773:
744:
733:
705:
700:
654:
629:became part of
521:
427:U.S. Highway 30
403:
379:Iowa Highway 44
345:
343:
330:
328:
269:
189:
180:
167:
153:
139:
130:
115:
110:
101:Major junctions
83:
81:
51:
44:
43:
40:
28:
23:
22:
15:
12:
11:
5:
1917:
1915:
1907:
1906:
1896:
1895:
1892:
1891:
1857:
1856:
1855:
1853:
1852:External links
1850:
1847:
1846:
1831:ESRI shapefile
1817:
1786:
1759:
1732:
1705:
1678:
1651:
1632:
1598:
1570:
1540:
1539:
1537:
1534:
1531:
1530:
1528:
1527:
1514:
1509:
1508:
1505:
1483:
1480:
1477:
1471:
1470:
1468:
1450:
1447:
1444:
1439:
1433:
1432:
1429:
1407:
1404:
1401:
1395:
1394:
1391:
1369:
1366:
1363:
1358:
1352:
1351:
1345:
1341:CR C15 –
1334:
1331:
1328:
1316:
1315:
1313:
1291:
1288:
1285:
1279:
1278:
1276:
1258:
1255:
1252:
1246:
1245:
1239:
1235:CR C56 –
1228:
1225:
1221:
1220:
1217:
1182:
1179:
1176:
1165:
1159:
1158:
1155:
1120:
1117:
1114:
1102:
1101:
1095:
1091:CR N57 –
1084:
1081:
1078:
1066:
1065:
1063:
1045:
1042:
1038:
1037:
1034:
1030:CR D36 –
1023:
1020:
1017:
1011:
1010:
1007:
996:
993:
990:
984:
983:
980:
958:
955:
952:
946:
945:
942:
907:
904:
901:
896:
890:
889:
887:
881:Grand Junction
869:
866:
862:
861:
858:
847:
844:
841:
836:
830:
829:
826:
804:
801:
797:
796:
793:
771:
768:
765:
759:
758:
752:
748:CR F25 –
741:
738:
735:
723:
722:
720:
714:Guthrie Center
697:
694:
691:
686:
680:
679:
676:
673:
668:
663:
660:
653:
650:
623:Grand Junction
562:. It entered
538:) and 59 (now
520:
517:
402:
399:
363:Iowa Highway 4
358:
357:
354:
353:
340:
338:
320:
319:
318:
317:
312:
307:
302:
297:
291:
290:
280:
279:
278:Highway system
275:
274:
271:
270:
268:
267:
262:
257:
252:
247:
242:
236:
234:
230:
229:
224:
220:
219:
214:
210:
209:
205:
204:
201:
200:
186:
185:North end
182:
181:
179:
178:
164:
150:
135:
133:
127:
126:
107:
106:South end
103:
102:
98:
97:
94:
90:
89:
78:
74:
73:
70:
66:
65:
61:Maintained by
58:
57:
53:
52:
49:
46:
45:
42:Iowa Highway 4
41:
34:
33:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
1916:
1905:
1902:
1901:
1899:
1889:
1886:
1885:
1880:
1871:
1867:
1863:
1862:
1851:
1832:
1827:
1821:
1818:
1805:
1798:
1797:
1790:
1787:
1771:
1770:
1763:
1760:
1744:
1743:
1736:
1733:
1717:
1716:
1709:
1706:
1690:
1689:
1682:
1679:
1663:
1662:
1655:
1652:
1647:
1643:
1636:
1633:
1620:
1613:
1612:
1605:
1603:
1599:
1586:
1585:
1580:
1574:
1571:
1558:
1551:
1545:
1542:
1535:
1524:
1516:
1515:
1510:
1504:
1501:north –
1500:
1476:
1472:
1467:
1463:
1459:
1443:
1438:
1434:
1428:
1424:
1400:
1396:
1390:
1386:
1362:
1357:
1353:
1350:
1344:
1327:township line
1325:
1321:
1317:
1312:
1308:
1284:
1280:
1275:
1271:
1267:
1251:
1247:
1244:
1238:
1222:
1216:
1212:
1175:township line
1173:
1169:
1164:
1160:
1154:
1150:
1113:township line
1111:
1107:
1103:
1100:
1094:
1077:township line
1075:
1071:
1067:
1062:
1058:
1054:
1039:
1033:
1016:
1012:
1006:
1005:Rockwell City
989:
988:Rockwell City
985:
979:
975:
974:Iowa 175
951:
947:
941:
937:
936:Iowa 175
900:
895:
891:
886:
882:
878:
863:
856:
840:
835:
831:
825:
821:
820:Iowa 141
798:
792:
788:
787:Iowa 141
764:
760:
757:
751:
734:township line
732:
728:
724:
719:
718:Dallas Center
715:
711:
690:
685:
681:
657:
651:
649:
647:
643:
639:
634:
632:
631:Iowa 144
628:
624:
620:
619:Iowa 141
616:
612:
608:
603:
601:
596:
591:
589:
585:
581:
577:
573:
569:
565:
564:Rockwell City
561:
557:
553:
549:
545:
541:
537:
533:
528:
526:
518:
516:
514:
510:
506:
502:
497:
495:
491:
487:
483:
479:
475:
471:
467:
463:
454:
450:
448:
444:
443:Rockwell City
440:
436:
435:Iowa 175
432:
428:
424:
420:
416:
407:
400:
398:
396:
392:
388:
384:
380:
376:
372:
371:state highway
368:
364:
351:
341:
339:
336:
326:
325:
321:
316:
313:
311:
308:
306:
303:
301:
298:
296:
293:
292:
289:
288:
284:
283:
281:
276:
272:
266:
263:
261:
258:
256:
253:
251:
248:
246:
243:
241:
238:
237:
235:
231:
228:
225:
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1544:
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1425:west –
1309:west –
1307:Iowa 10
1270:Gilmore City
1036:Former US 20
1009:Former US 20
976:west –
940:Farnhamville
860:Former US 30
822:west –
789:east –
710:Iowa 44
675:Destinations
635:
604:
592:
529:
522:
498:
478:Iowa 10
459:
412:
366:
362:
361:
285:
120:Iowa 44
1810:October 12,
1779:October 12,
1752:October 12,
1725:October 12,
1698:October 12,
1671:October 12,
1625:October 12,
1591:October 12,
1523:Concurrency
1462:Spirit Lake
1458:Iowa 9
1442:Estherville
1266:Iowa 3
1211:Iowa 7
1149:Iowa 7
615:US 169
588:Spirit Lake
576:Estherville
540:Iowa 5
513:Estherville
509:Iowa 9
505:Wallingford
501:Graettinger
474:Iowa 3
462:Iowa 7
391:Estherville
335:Iowa 3
198:Estherville
1839:August 19,
1563:October 1,
1555:(Report).
1536:References
1423:US 18
1385:US 18
1361:Emmetsburg
1250:Pocahontas
1163:Pocahontas
1070:Twin Lakes
1061:Sioux City
1057:Fort Dodge
1053:US 20
877:US 30
642:US 20
638:expressway
580:US 71
572:Emmetsburg
568:Pocahontas
548:Des Moines
536:US 34
494:US 18
490:Emmetsburg
470:Pocahontas
447:US 20
295:Interstate
255:Pocahontas
176:Emmetsburg
172:US 18
158:US 20
144:US 30
84:1969-01-01
1499:MN 4
1466:Armstrong
1356:Palo Alto
1168:Bellville
978:Lake City
839:Jefferson
600:US 6
560:Jefferson
544:Knoxville
439:Lohrville
423:Jefferson
417:north of
387:Minnesota
310:Secondary
260:Palo Alto
196:north of
194:MN 4
148:Jefferson
1898:Category
1861:KML file
1525:terminus
1503:Sherburn
1349:Iowa 195
1324:Powhatan
1283:Havelock
1274:Cherokee
1243:Iowa 315
1099:Iowa 124
1055: –
1032:Sac City
885:Scranton
879: –
756:Iowa 271
731:Richland
662:Location
482:Havelock
480:east of
233:Counties
208:Location
88:–present
63:Iowa DOT
1802:(Map).
1617:(Map).
1482:235.518
1479:146.344
1449:222.304
1446:138.133
1427:Spencer
1406:189.946
1403:118.027
1368:182.271
1365:113.258
1347:Former
1333:156.306
1320:Cummins
1311:Laurens
1290:150.659
1257:140.135
1241:Former
1227:128.902
1181:124.085
1119:116.159
1110:Sherman
1097:Former
1083:111.128
1074:Sherman
1044:108.430
1022:102.752
995:101.142
894:Calhoun
791:Jamaica
754:Former
684:Guthrie
646:Dubuque
519:History
486:Mallard
466:Pomeroy
431:Churdan
369:) is a
250:Calhoun
240:Guthrie
213:Country
93:History
82: (
77:Existed
1806:. 2011
1621:. 1919
1389:Algona
1343:Plover
1330:97.124
1287:93.615
1254:87.076
1237:Palmer
1224:80.096
1178:77.103
1172:Colfax
1153:Manson
1116:72.178
1106:Butler
1080:69.052
1041:67.375
1019:63.847
992:62.847
957:86.560
954:53.786
906:72.271
903:44.907
868:38.629
865:24.003
846:36.500
843:22.680
834:Greene
824:Bagley
803:17.214
800:10.696
770:16.494
767:10.249
689:Panora
659:County
617:, and
607:Panora
582:) and
574:, and
383:Panora
367:Iowa 4
315:Scenic
245:Greene
124:Panora
69:Length
1800:(PDF)
1773:(PDF)
1746:(PDF)
1719:(PDF)
1692:(PDF)
1665:(PDF)
1615:(PDF)
1553:(PDF)
1437:Emmet
1215:Fonda
740:9.625
737:5.981
696:0.000
693:0.000
678:Notes
627:Perry
556:Perry
532:Albia
350:No. 4
305:State
265:Emmet
223:State
160:near
1870:help
1866:edit
1841:2021
1812:2011
1781:2011
1754:2011
1727:2011
1700:2011
1673:2011
1646:XIII
1627:2011
1593:2011
1565:2010
750:Yale
727:Cass
640:for
625:and
554:and
552:Adel
546:and
419:Yale
375:Iowa
227:Iowa
586:in
511:in
381:in
174:at
146:at
1900::
1868:•
1644:.
1601:^
1581:.
1464:,
1272:,
1059:,
883:,
716:,
671:km
666:mi
648:.
590:.
570:,
566:,
496:.
449:.
342:→
327:←
300:US
1872:)
1864:(
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1702:.
1675:.
1629:.
1595:.
1567:.
1322:–
1170:–
1108:–
1072:–
729:–
584:9
365:(
86:)
20:)
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