US 20
FROM: I-380
Black Hawk Co., IA
TO: US 61/US 151
Dubuque, IA

Signaled intersections are listed in the Dubuque area. Tenth-miles are given in Dubuque because of the close spacing between intersections.

Linked routes (click on the appropriate shields): US 20 west, I-380, IA 27, US 52, US 61, US 151

Exit
number
Eastbound exit
(scroll downward)
Westbound exit
(start at the bottom)
Points of interest and notes
Continue on:
 NORTH 
I-380
 WEST 
US 20
 NORTH 
IA 27
Waterloo
238
I-380IA 27SOUTH
Cedar Rapids
 
 EAST 
US 20
SPEED LIMIT 65
240
County Road V51
Dunkerton
County Road V51
Dunkerton
La Porte City
 
(245)
BLACK HAWK COUNTY
BUCHANAN COUNTY
245
County Road V65
Jesup
 
252
Independence
Mental Health Institute,
Airport
254
IA 150
Independence
Vinton
Oelwein
Industrial Park
(256)
Wapsipinicon River
261
County 
Road W40
Quasqueton
Winthrop
Cedar Rock
Frank Lloyd Wright House
Walter Residence
266
IA 187NORTH
Masonville
Lamont
Backbone State Park
(269)
BUCHANAN COUNTY
DELAWARE COUNTY
275
IA 13
Manchester
Central City
Ryan
Manchester Industrial Park
(277)
Maquoketa River
277
County Road D5X
Manchester
 
282
IA 38
Delaware
Monticello
Hopkinton,
Delhi
Eastbound:
FREEWAY ENDS

CROSS TRAFFIC AHEAD
285
County Road X35
Earlville
 
292
County Road X49
Dyersville
Basilica of St. Francis Xavier
(293)
DELAWARE COUNTY
DUBUQUE COUNTY
(294)
North Fork Maquoketa River
WEST
US 20
294
US 52(NORTH) IA 136(SOUTH)
Dyersville
Cascade
Worthington,
New Vienna
 EAST 
US 20
 SOUTH 
US 52
300
County Road Y13
Farley
 
304
(County Road Y17)
Epworth
Heritage Trail
Divine Word College Seminary
308
County Road Y21
Peosta
Northeast Iowa Community College
New Melleray Abbey,
Sundown Ski Area
311
Swiss Valley Road
North Cascade Road
 
 WEST 
US 20
 NORTH 
US 52
314
US 52SOUTH
Bellevue
Asbury

(FREEWAY)
DMASWA Landfill
EAST
US 20
Dubuque
(315.0)
SPEED LIMIT 55
SPEED LIMIT 65
 
(315.2)
SPEED LIMIT 50
SPEED LIMIT 55
 
(315.5)
STOPLIGHT
Westside Drive/Old Highway Road
Centralia
Dubuque County Fairgrounds,
National Guard Armory
(315.9)
STOPLIGHT
Northwest Arterial
Asbury
Westend District
(316.3)
STOPLIGHT
Crescent Ridge
 
(316.4)
SPEED LIMIT 45
SPEED LIMIT 50
 
(316.7)
STOPLIGHT
Century Drive
 
(316.9)
STOPLIGHT
Wacker Drive
 
(317.2)
STOPLIGHT
Cedar Cross Road
John F. Kennedy Road
Westend District
(317.5)
STOPLIGHT
University Avenue Extension
 
(317.9)
STOPLIGHT
Devon Drive
 
(318.5)
College Grandview District
Grandview Avenue
Fremont Avenue
Finley Hospital
(319.0)
Hill Street
Bryant Street
Mercy Hospital
(319.7)
SPEED LIMIT 35
SPEED LIMIT 45
 
(319.7)
STOPLIGHT
Locust Street
TO US 61/US 151NORTH
Downtown
Civic Center
TO US 61/US 151SOUTH
Dubuque Regional Airport
NORTH:
Downtown District,
Port of Dubuque District,
Eagle Point District,
Iowa Welcome Center,
National Mississippi River Museum
and Aquarium
SOUTH:
Southend District
Eastbound:
EXPRESSWAY ENDS

2-LANE ROAD AHEAD
(320.2)
IOWA
DUBUQUE COUNTY
Mississippi River
ILLINOIS
JO DAVIESS COUNTY
US 20EAST
East Dubuque
Galena
WEST
US 20
Dubuque
Exit
number
Eastbound exit
(start at the top)
Westbound exit
(scroll upward)
Points of interest and notes

Links:

Back to Freeway Junctions of the Heartland


© 1998-2023 by Jason Hancock / Last updated May 3, 2023