State Maps | Department of Transportation

Access the Iowa Transportation Map, bike map, highway maps, state traffic maps, railway maps, and more from the Iowa Department of Transportation.

State Maps
Type of map	Description
Iowa Transportation Map	Current Iowa transportation map View previously published maps
Interactive Iowa Bike Map Iowa Bicycle Map	Bicycle routes throughout the state
Iowa Primary Highways	Interactive map of the primary highways in the state
Interactive Iowa Highway Networks Map	Federal Functional Classification, Commercial and Industrial, Farm to Market and National Highway System Maps
State highways (color) (2.15 MB) .pdf State highways (colored background) (1.51 MB) .pdf State highways (black and white) (2.07 MB) .pdf	All highways within the state of Iowa
Iowa Registered Highway Map (6.22 MB) .pdf	Iowa Registered Highway routes from 1914-1925
State Railroad Map (2.68 MB) .pdf	The railroad lines and ownership throughout the state
Interactive Railroad Map	Active and Abandoned Railroads
State Ethanol Map (2.54 MB) .pdf	A map showing the location of biodiesel and ethanol plants and their capacities
State Drainage Map (306.59 KB) .pdf Year 2008 (colored highways) (1.77 MB) .pdf Year 2008 (black highways) (2.13 MB) .pdf	Drainage basins throughout the state
County Outline Map, 8.5 x 11 (364.35 KB) .pdf County Outline Map, 11 x 17 (383.02 KB) .pdf	County and state boundaries
Maintenance Service Level Map (2.03 MB) .pdf	Primary highway maintenance service level
Interstate Vertical Clearance Map (6.14 MB) .pdf	Interstate vertical clearance
Primary Road Vertical Clearance Map (5.89 MB) .pdf	Primary road surface width and vertical clearance
Commercial and Industrial Network Map (1.76 MB) .PDF	Commercial and Industrial Network
National Highway System Map (1.97 MB) .pdf	National Highway System map
System Classification for Planning Map (3.67 MB) .PDF	System Classification for Planning map

Vehicular Traffic Map

Vehicular Traffic Map (6.23 MB) .pdf

Vehicular traffic map, previous years
2010-2020	2000-2009	1988-1999
2020 (6.24 MB) .pdf	2008 (2.26 MB) .pdf	1998 (1.63 MB) .pdf
2018 (3.62 MB) .pdf	2006 (1.84 MB) .pdf	1996 (1.58 MB) .pdf
2016 (3.33 MB) .pdf	2004 (662.14 KB) .pdf	1994 (1.62 MB) .pdf
2014 (1.73 MB) .pdf	2002 (2.39 MB) .pdf	1992 (1.53 MB) .pdf
2012 (1.52 MB) .pdf	2000 (1.67 MB) .pdf	1990 (1.74 MB) .pdf
2010 (1.18 MB) .pdf		1988 (1.71 MB) .pdf

Truck Traffic Map

Truck Traffic Map (5.47 MB) .pdf

Truck traffic map, previous years
2010-2020	2000-2009	1988-1999
2020 (5.33 MB) .pdf	2008 (2.08 MB) .pdf	1998 (1.52 MB) .pdf
2018 (3.27 MB) .pdf	2006 (1.71 MB) .pdf	1996 (1.59 MB) .pdf
2016 (2.76 MB) .pdf	2004 (623.43 KB) .pdf	1994 (1.58 MB) .pdf
2014 (1.45 MB) .pdf	2002 (2.31 MB) .pdf	1992 (1.68 MB) .pdf
2012 (1.38 MB) .pdf	2000 (1.55 MB) .pdf	1990 (1.62 MB) .pdf
2010 (1.06 MB) .pdf		1988 (1.72 MB) .pdf

Interstate Route Traffic Map

Interstate Route Traffic Map (1.8 MB) .pdf

Interstate route traffic map, previous years
2010-2020	2000-2009	1988-1999
2020 (1.96 MB) .pdf	2008 (455.69 KB) .pdf	1998 (325.72 KB) .pdf
2018 (1.86 MB) .pdf	2006 (194.4 KB) .pdf	1996 (321.11 KB) .pdf
2016 (2.27 MB) .pdf	2004 (314.88 KB) .pdf	1994 (319.79 KB) .pdf
2014 (2.45 MB) .pdf	2002 (323.37 KB) .pdf	1992 (319.38 KB) .pdf
2012 (2.99 MB) .pdf	2000 (323.23 KB) .pdf
2010 (2.67 MB) .pdf
2010 (2.67 MB) .pdf