37:
250:
235:
514:
302:
455:
95:
402:. Until 1963, the highway appeared very much like it does today. That year the section of highway between Clarksville and Plainfield was turned over to Butler County officials and the section south of Clarksville became Iowa 122. Just three years later, the Iowa State Highway Commission changed course and reabsorbed Iowa 122. Since then the routing has not changed.
480:
509:
543:
114:
338:
and forms the eastern boundary of Heery Woods State Park. It passes through
Clarksville and continues north for 4 miles (6.4 km). At four-way intersection with Butler County Road T64 and a gravel road, Iowa 188 turns to the east and becomes an east–west road for the remainder of its
747:
530:
467:
442:
198:
586:
277:. The route is signed both north–south and east–west because of a 90-degree corner near the route's midpoint. The route begins at
62:
764:
394:. It first appeared on the state highway map in 1946. Four years later, the highway absorbed Iowa 53, which connected
208:
620:
203:
190:
218:
363:
546:
286:
117:
391:
367:
213:
491:
437:
351:
343:
168:
163:
642:
611:
696:
669:
738:
395:
331:
282:
102:
496:
387:
347:
335:
253:
238:
521:
359:
579:
17:
517:
458:
399:
383:
355:
314:
310:
278:
98:
758:
382:
Iowa 188 was designated in 1945 as a 10-mile-long (16 km) route which connected
371:
290:
140:
121:
36:
301:
362:, the Avenue of the Saints highway. In Plainfield, Iowa 188 crosses over the
342:
Iowa 188 heads east for 6 miles (9.7 km) where it crosses into
300:
274:
150:
366:. It continues due east for 10 miles (16 km), ending at
746:
555:
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
334:. From Iowa 3, Iowa 188 heads north where it crosses the
580:
2009 Volume of
Traffic on the Primary Road System of Iowa
305:
Iowa 188 passes through
Clarksville's business district.
734:
729:
350:. One half-mile (0.8 km) into Bremer County, is a
181:
156:
146:
136:
131:
108:
89:
84:
76:
68:
55:
32:
8:
704:(Map). Iowa State Highway Commission. 1967
677:(Map). Iowa State Highway Commission. 1964
650:(Map). Iowa State Highway Commission. 1950
409:
227:
751:
606:
604:
574:
572:
486:Iowa 188 becomes an east–west route
568:
748:Template:Attached KML/Iowa Highway 188
273:) is a state highway in north-central
29:
540:
534:
506:
500:
477:
471:
452:
446:
7:
72:24.231 mi (38.996 km)
27:State highway in Iowa, United States
424:
25:
587:Iowa Department of Transportation
541:
512:
507:
478:
453:
248:
233:
112:
93:
35:
346:one mile (1.6 km) west of
1:
621:Iowa State Highway Commission
419:
330:miles (4.0 km) south of
309:Iowa Highway 188 begins at a
644:Official Highway Map of Iowa
613:Iowa Centennial Highway Map
191:Iowa Primary Highway System
50:Iowa 188 highlighted in red
781:
554:
550:
537:
529:
525:
503:
495:
490:
485:
474:
466:
462:
449:
441:
436:
431:
428:
423:
418:
415:
412:
226:
186:
177:
127:
60:
48:
18:Iowa Primary Road No. 55
765:State highways in Iowa
698:Iowa State Highway Map
671:Iowa State Highway Map
306:
304:
752:KML is from Wikidata
406:Major intersections
352:diamond interchange
307:
589:. January 1, 2009
560:
559:
297:Route description
264:
263:
260:
259:
56:Route information
16:(Redirected from
772:
742:
714:
713:
711:
709:
703:
693:
687:
686:
684:
682:
676:
666:
660:
659:
657:
655:
649:
639:
633:
632:
630:
628:
618:
608:
599:
598:
596:
594:
584:
576:
545:
544:
531:Douglas Township
516:
515:
511:
510:
482:
481:
468:Fremont Township
457:
456:
443:Jackson Township
426:
421:
410:
336:Shell Rock River
329:
328:
324:
321:
267:Iowa Highway 188
256:
252:
251:
241:
237:
236:
228:
116:
115:
97:
96:
42:Iowa Highway 188
39:
30:
21:
780:
779:
775:
774:
773:
771:
770:
769:
755:
754:
753:
750:
745:
744:
743:
727:
723:
718:
717:
707:
705:
701:
695:
694:
690:
680:
678:
674:
668:
667:
663:
653:
651:
647:
641:
640:
636:
626:
624:
616:
610:
609:
602:
592:
590:
582:
578:
577:
570:
565:
556:
542:
513:
508:
479:
454:
408:
380:
368:U.S. Highway 63
360:Iowa Highway 27
326:
322:
319:
317:
299:
287:U.S. Highway 63
249:
247:
234:
232:
173:
113:
94:
85:Major junctions
51:
44:
43:
40:
28:
23:
22:
15:
12:
11:
5:
778:
776:
768:
767:
757:
756:
726:
725:
724:
722:
721:External links
719:
716:
715:
688:
661:
634:
600:
567:
566:
564:
561:
558:
557:
552:
551:
549:
539:
536:
533:
527:
526:
524:
505:
502:
499:
494:
488:
487:
484:
476:
473:
470:
464:
463:
461:
451:
448:
445:
440:
434:
433:
430:
427:
422:
417:
414:
407:
404:
379:
376:
356:U.S. Route 218
315:Iowa Highway 3
311:T intersection
298:
295:
279:Iowa Highway 3
262:
261:
258:
257:
244:
242:
224:
223:
222:
221:
216:
211:
206:
201:
195:
194:
184:
183:
182:Highway system
179:
178:
175:
174:
172:
171:
166:
160:
158:
154:
153:
148:
144:
143:
138:
134:
133:
129:
128:
125:
124:
110:
106:
105:
91:
90:South end
87:
86:
82:
81:
78:
74:
73:
70:
66:
65:
61:Maintained by
58:
57:
53:
52:
49:
46:
45:
41:
34:
33:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
777:
766:
763:
762:
760:
749:
740:
736:
732:
731:
720:
700:
699:
692:
689:
673:
672:
665:
662:
646:
645:
638:
635:
622:
615:
614:
607:
605:
601:
588:
581:
575:
573:
569:
562:
553:
548:
532:
528:
523:
519:
498:
493:
489:
469:
465:
460:
444:
439:
435:
411:
405:
403:
401:
397:
393:
389:
385:
377:
375:
373:
369:
365:
361:
357:
353:
349:
345:
344:Bremer County
340:
337:
333:
316:
312:
303:
296:
294:
292:
288:
284:
280:
276:
272:
268:
255:
254:Iowa 191
245:
243:
240:
239:Iowa 187
230:
229:
225:
220:
217:
215:
212:
210:
207:
205:
202:
200:
197:
196:
193:
192:
188:
187:
185:
180:
176:
170:
167:
165:
162:
161:
159:
155:
152:
149:
145:
142:
141:United States
139:
135:
130:
126:
123:
119:
111:
109:East end
107:
104:
100:
92:
88:
83:
79:
75:
71:
67:
64:
59:
54:
47:
38:
31:
19:
728:
706:. Retrieved
697:
691:
679:. Retrieved
670:
664:
652:. Retrieved
643:
637:
625:. Retrieved
612:
591:. Retrieved
522:Iowa 27
429:Destinations
400:Iowa 10
381:
341:
308:
285:and ends at
270:
266:
265:
189:
80:1945–present
518:US 218
459:Iowa 3
396:Clarksville
384:US 218
364:Cedar River
332:Clarksville
283:Clarksville
103:Clarksville
99:Iowa 3
585:(Report).
563:References
547:US 63
497:Plainfield
392:US 63
388:Plainfield
348:Plainfield
199:Interstate
118:US 63
370:north of
339:journey.
281:south of
214:Secondary
759:Category
730:KML file
520: /
416:Location
271:Iowa 188
157:Counties
132:Location
63:Iowa DOT
708:June 6,
681:June 6,
654:June 6,
627:June 6,
619:(Map).
593:July 5,
378:History
372:Tripoli
325:⁄
291:Tripoli
137:Country
122:Tripoli
77:Existed
623:. 1946
538:38.996
535:24.231
504:22.066
501:13.711
492:Bremer
483:CR T64
475:11.587
438:Butler
413:County
219:Scenic
169:Bremer
164:Butler
69:Length
702:(PDF)
675:(PDF)
648:(PDF)
617:(PDF)
583:(PDF)
472:7.200
450:0.000
447:0.000
432:Notes
354:with
313:with
289:near
209:State
147:State
120:near
101:near
739:help
735:edit
710:2011
683:2011
656:2011
629:2011
595:2010
358:and
275:Iowa
151:Iowa
398:to
390:to
386:at
761::
737:•
603:^
571:^
425:km
420:mi
374:.
293:.
246:→
231:←
204:US
741:)
733:(
712:.
685:.
658:.
631:.
597:.
327:2
323:1
320:+
318:2
269:(
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
