Iowa DOT

Volume of Traffic on the Primary Road System

Route	2016	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2016				Motorcylces	Cars, vans and pickups	Total trucks and buses	Single unit trucks				Combination trucks				All vehicles	Trucks and buses
	Primary route section description							Single unit trucks				Combination trucks
	Primary route section description							Buses	2Axles	3Axles	4 or more axles	4 or less axles	5Axles	6 or more axles	Multiple trailers
18	21 Clay COUNTY
18	INTERSECTION CO RD M27	Rural	3.006	3150	12	2496	642	29	148	31	4	39	354	15	21	9469	1930
18	JUNCTION CO RD M44	Rural	6.742	2680	10	2028	642	29	148	31	4	39	354	15	21	18069	4328
18	WEST LIMITS OF SPENCER	Rural	2.005	2450	9	1799	642	29	148	31	4	39	354	15	21	4912	1287
18	EAST LIMITS OF SPENCER	Municipal	0.241	2420	9	1776	635	29	147	31	4	39	350	15	21	583	153
18	N JCT US 71 & E 44TH ST	Rural	0.021	2450	9	1799	642	29	148	31	4	39	354	15	21	51	13
18	NORTH LIMITS OF SPENCER	Rural	0.031	9300	31	8747	522	22	219	31	3	23	181	17	24	288	16
18	JUNCTION 30TH STREET NORTH	Municipal	1.009	9700	32	9107	561	26	252	36	4	23	179	17	24	9787	566
18	JUNCTION 24TH STREET NORTH	Municipal	0.430	9500	31	8908	561	26	252	36	4	23	179	17	24	4085	241
18	INTERSECTION 18TH STREET NORTH	Municipal	0.518	10200	34	9636	530	23	228	33	3	23	179	17	24	5284	275
18	INTERSECTION 8TH STREET NORTH	Municipal	0.697	11600	39	11083	478	19	186	27	3	23	179	17	24	8085	333
18	INTERSECTION 4TH STREET NORTH	Municipal	0.300	13200	44	12567	589	28	275	39	4	23	179	17	24	3960	177
18	INTERSECTION 4TH STREET SOUTH	Municipal	0.501	15800	53	15158	589	28	275	39	4	23	179	17	24	7916	295
18	INTERSECTION 8TH STREET SOUTH	Municipal	0.264	14500	49	14016	435	15	152	22	2	23	179	17	24	3828	115
18	SOUTH JCT US 71 & GRAND PLAZA DR	Municipal	0.265	13900	47	13418	435	15	152	22	2	23	179	17	24	3684	115
18	JUNCTION 10TH ST SE	Municipal	0.587	5200	24	4865	311	19	99	21	2	15	139	6	9	3052	183
18	EAST LIMITS OF SPENCER	Municipal	0.510	4270	19	3939	311	19	99	21	2	15	139	6	9	2178	159
18	INTERSECTION CO RD M50	Rural	0.504	4320	20	3987	314	20	100	21	2	16	141	6	9	2177	158
18	INTERSECTION CO RD M54	Rural	4.032	4990	21	4213	756	24	124	26	3	53	477	20	29	20120	3048
18	WEST LINE OF PALO ALTO COUNTY
18	AT INTERSECTION CO RD N18	Rural	6.043	4670	19	3895	756	24	124	26	3	53	477	20	29	28221	4569
	ROUTE SUMMARY - RURAL		22.384	3722												83307	15349
	ROUTE SUMMARY - MUNICIPAL		5.322	9854												52442	2612