Iowa DOT

Volume of Traffic on the Primary Road System

Route	2006	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2006				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
30	85 Story COUNTY
30	SOUTH DAKOTA INTERCHANGE	Rural	1.123	12300	116	11212	971	39	186	74	9	191	427	31	14	13813	1090
30	WEST LIMITS OF AMES	Rural	0.525	17400	165	15991	1242	71	336	134	16	197	441	32	14	9135	652
30	EAST LIMITS OF AMES	Municipal	0.891	16900	160	15530	1209	69	327	131	16	192	430	31	14	15058	1077
30	WEST LIMITS OF AMES	Municipal	0.050	17000	161	15626	1212	69	328	131	16	192	430	31	14	850	61
30	ELWOOD DRIVE INTERCHANGE	Municipal	0.653	16900	160	15530	1209	69	327	131	16	192	430	31	14	11036	789
30	US 69 INTERCHANGE	Municipal	1.518	20600	196	19062	1339	81	385	154	18	201	452	33	14	31271	2033
30	DAYTON AVENUE INTERCHANGE AT
30	EAST LIMITS OF AMES	Municipal	1.223	25700	245	23733	1720	99	466	186	22	272	610	45	20	31431	2104
30	I 35 INTERCHANGE	Rural	0.788	25400	237	22980	2180	115	543	217	26	368	824	60	27	20015	1718
30	JUNCTION SAND HILL TRAIL	Rural	0.842	14500	136	13213	1149	62	294	118	14	190	426	31	14	12209	967
30	INTERSECTION CO RD R70	Rural	0.719	14400	135	13114	1149	62	294	118	14	190	426	31	14	10354	826
30	INTERSECTION CO RD S14 AT
30	WEST LIMITS OF NEVADA	Rural	4.033	13700	128	12380	1191	71	337	135	16	182	407	30	14	55252	4803
30	JUNCTION 6TH STREET	Municipal	0.494	12600	117	11334	1148	69	324	130	15	175	393	29	12	6224	567
30	EAST LIMITS OF NEVEDA AT
30	19TH STREET INTERCHANGE	Municipal	0.974	10500	96	9320	1083	65	309	123	15	164	368	27	12	10227	1055
30	INTERSECTION CO RD S27	Rural	1.499	9600	86	8388	1125	68	321	128	15	170	381	28	12	14390	1686
30	INTERSECTION 680TH AVENUE	Rural	2.999	7500	65	6309	1125	68	321	128	15	170	381	28	12	22493	3374
30	JUNCTION WEST STREET (COLO)	Rural	1.593	7400	66	6431	902	37	174	69	8	176	396	29	12	11788	1437
30	US 65 INTERCHANGE	Municipal	0.369	7100	63	6156	880	36	169	68	8	172	386	28	12	2620	325
30	WEST LINE OF MARSHALL COUNTY	Rural	3.995	4700	42	4077	580	28	133	53	6	103	232	17	8	18777	2317
	ROUTE SUMMARY - RURAL		18.116	10390												188226	18870
	ROUTE SUMMARY - MUNICIPAL		6.172	17615												108717	8011