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
141	77 Polk COUNTY
141	JUNCTION CO RD F4R	Rural	1.607	18000	84	16960	957	66	335	71	8	44	393	17	24	28926	1538
141	IA 415 INTERCHANGE	Rural	0.555	19700	92	18651	957	66	335	71	8	44	393	17	24	10934	531
141	SOUTH-EAST RAMP	Rural	0.419	3740	18	3594	129	15	78	17	2	2	14	1	1	0	0
141	EAST-SOUTH RAMP	Rural	0.382	3260	15	3144	101	12	62	13	2	1	10	0	0	0	0
141	EAST-NORTH LOOP	Rural	0.283	720	3	683	33	3	15	3	0	1	10	0	0	0	0
141	NORTH-EAST LOOP	Rural	0.274	720	3	690	27	3	15	3	0	1	5	0	0	0	0
141	NORTH LIMITS OF GRIMES	Rural	2.526	19800	92	18609	1099	84	428	90	10	45	401	17	24	50015	2776
141	I
141	IA 44 INTERCHANGE*	Municipal	0.997	22500	105	21259	1137	89	456	96	11	44	398	17	24	22433	1134
141	NORTH LIMITS OF GRIMES*	Rural	0.327	29000	135	27411	1454	116	595	125	15	55	496	21	30	9483	475
141	INTERSECTION SE 19TH STREET*	Municipal	0.743	29000	135	27411	1454	116	595	125	15	55	496	21	30	21547	1080
141	INTERSECTION SE 37TH STREET*	Municipal	0.997	31900	149	30297	1454	116	595	125	15	55	496	21	30	31804	1450
141	I 35 INTERCHANGE AT SOUTH LIMITS OF GRIMES &
141	NORTH LIMITS OF URBANDALE*	Municipal	0.795	37400	172	35006	2222	190	970	205	24	76	686	29	42	29733	1766
	ROUTE SUMMARY - RURAL		6.373	16095												99358	5320
	ROUTE SUMMARY - MUNICIPAL		3.532	29875												105517	5430