Iowa DOT

Volume of Traffic on the Primary Road System

Route	2015	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2015				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	3060	13	2424	623	29	142	31	3	40	344	14	19	9198	1873
18	JUNCTION CO RD M44	Rural	6.742	2600	10	1967	623	29	142	31	3	40	344	14	19	17529	4200
18	WEST LIMITS OF SPENCER	Rural	2.005	2380	9	1748	623	29	142	31	3	40	344	14	19	4772	1249
18	EAST LIMITS OF SPENCER	Municipal	0.241	2380	9	1748	623	29	142	31	3	40	344	14	19	574	150
18	N JCT US 71 & E 44TH ST	Rural	0.021	2380	9	1748	623	29	142	31	3	40	344	14	19	50	13
18	NORTH LIMITS OF SPENCER	Rural	0.031	9000	31	8462	507	20	213	32	3	24	178	16	22	279	16
18	JUNCTION 30TH STREET NORTH	Municipal	1.009	9500	32	8917	551	23	248	37	4	24	178	16	22	9586	556
18	JUNCTION 24TH STREET NORTH	Municipal	0.430	9300	31	8718	551	23	248	37	4	24	178	16	22	3999	237
18	INTERSECTION 18TH STREET NORTH	Municipal	0.518	10000	34	9445	521	21	224	33	3	24	178	16	22	5180	270
18	INTERSECTION 8TH STREET NORTH	Municipal	0.697	11400	39	10891	470	17	184	27	3	24	178	16	22	7946	328
18	INTERSECTION 4TH STREET NORTH	Municipal	0.300	13000	45	12376	579	25	270	40	4	24	178	16	22	3900	174
18	INTERSECTION 4TH STREET SOUTH	Municipal	0.501	15500	54	14867	579	25	270	40	4	24	178	16	22	7766	290
18	INTERSECTION 8TH STREET SOUTH	Municipal	0.264	14200	50	13722	428	14	150	22	2	24	178	16	22	3749	113
18	SOUTH JCT US 71 & GRAND PLAZA DR	Municipal	0.265	13700	48	13224	428	14	150	22	2	24	178	16	22	3631	113
18	JUNCTION 10TH ST SE	Municipal	0.587	5100	25	4770	305	20	96	21	2	16	137	6	8	2994	179
18	EAST LIMITS OF SPENCER	Municipal	0.510	4190	21	3865	305	20	96	21	2	16	137	6	8	2137	156
18	INTERSECTION CO RD M50	Rural	0.504	4190	21	3865	305	20	96	21	2	16	137	6	8	2112	154
18	INTERSECTION CO RD M54	Rural	4.032	4840	22	4084	734	24	119	26	3	54	464	19	26	19515	2959
18	WEST LINE OF PALO ALTO COUNTY
18	AT INTERSECTION CO RD N18	Rural	6.043	4530	20	3776	734	24	119	26	3	54	464	19	26	27375	4436
	ROUTE SUMMARY - RURAL		22.384	3611												80830	14900
	ROUTE SUMMARY - MUNICIPAL		5.322	9669												51462	2566