FROM: Linn Co., IA	TO: Dubuque Co., IA

This segment of US 151 is not a freeway, as there are numerous at-grade intersections between the interchanges listed here. Four-way stops and signaled intersections are included on this list, as are intersections with southbound Business US 151 in Monticello and with County Road X20 in Springville (where construction of a new interchange is scheduled to start in 2028).

Linked routes (click on the appropriate shield): US 30, US 61

Exit number	Northbound exit (scroll downward)	Southbound exit (start at the bottom)	Points of interest and notes
	NORTH	END
	SPEED LIMIT 65
30		LEFT LANES: EAST Mount Vernon (EXPRESSWAY) RIGHT LANE:  WEST   SOUTH  Cedar Rapids (EXPRESSWAY)
(34) STOPLIGHT	Mount Vernon Road Cedar Rapids		Camp Tanager
			Abbe Creek School Historical Site
(36)	SPEED LIMIT 55	SPEED LIMIT 65
(37) STOPLIGHT	WEST Marion () Secrist Road
		SOUTH
(37.2)	SPEED LIMIT 50	SPEED LIMIT 55
(37.5) STOPLIGHT	Linn-Aire Drive (Marion)		Grant Wood Trail
(37.8) STOPLIGHT	NORTH Central City (EXPRESSWAY)		Northbound: Straight ahead Southbound: Turn right (turn left for US 151/IA 13 south)
	BUSINESS Marion		Northbound: Turn left Southbound: Straight ahead (turn right for US 151 north)
	NORTH
(38.1) STOPLIGHT	62nd Street (Marion)
(38.1)	SPEED LIMIT 55	SPEED LIMIT 50
(38.3)	SPEED LIMIT 65	SPEED LIMIT 55
(43)	SPEED LIMIT 55	SPEED LIMIT 65
(43) INTERSECTION	Springville Mount Vernon		WATCH FOR CROSS TRAFFIC
(44)	SPEED LIMIT 65	SPEED LIMIT 55
(48)	LINN COUNTY JONES COUNTY
49	(SOUTH) (NORTH) Mount Vernon Iowa City		Martelle
			NORTHBOUND: Wapsipinicon State Park
(53)	Wapsipinicon River
54	(EAST) (WEST) Anamosa Maquoketa		Tourist info
			Wyoming
			SOUTHBOUND: Wapsipinicon State Park
63	BUSINESS   Monticello	Monticello	Kirkwood Community College
65	Monticello Hopkinton		Tourist info
			Monticello Regional Airport, Camp Courageous of Iowa
(66)	Maquoketa River
(67) INTERSECTION		BUSINESS Monticello	SOUTHBOUND: Riverside Gardens City Park (NORTHBOUND: Use Exit 65)
(74)	JONES COUNTY DUBUQUE COUNTY
75	BUSINESS Cascade Dyersville	Cascade Dyersville	Wyoming, Worthington
(75)	North Fork Maquoketa River
77	Cascade Farley	BUSINESS   Cascade Farley	Industrial Park
(93)	SPEED LIMIT 55	SPEED LIMIT 65
(94)	SOUTH Maquoketa (EXPRESSWAY)		Dubuque Regional Airport
	Continue on: NORTH Dubuque	SOUTH
		SPEED LIMIT 55
Exit number	Northbound exit (start at the top)	Southbound exit (scroll upward)	Points of interest and notes

Links:

• US 151 route listing

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