Iowa DOT - Office of Transportation Data


Type of Map	Preview of Map	Description of Map


2011 Transportation Map PDF Format		Published Transportation Map for 2011 --For the previous year, 2010, click here.
2010 Vehicular Traffic Map PDF Format		Published Vehicular Traffic Map for 2010 --For previous years 1988 - 2008, click here.
2010 Truck Traffic Map PDF Format		Published Truck Traffic Map for 2010 --For previous years 1988 - 2008, click here.
2010 Interstate Route Traffic PDF Format		Published Interstate Annual Average Daily Traffic for 2010 --For previous years 1992 - 2008 click here.
State Highway Map PDF Format - Color PDF Format - B/W		All highways within the state --For 2010 version click here.
State Highway Historic Map PDF Format		Iowa Registered Highway Routes 1914-1925
State Railroad Map PDF Format		The railroad lines and ownership throughout the state
State Ethanol Map PDF Format		Statewide map showing the locations of Biodiesel and Ethanol Plants and their capacities.
State Drainage Map PDF Format PDF Format with Year 2008 Colored Highways PDF Format with Highways PDF Format with Year 2000 Highways		The drainage basins throughout the state
County Outline Map PDF Format		The county and state boundaries
Transportation Map for Bicyclists PDF Format		Bicycle routes throughout the state
Maintenance Service Level PDF Format		Primary Highway Maintenance Service Level
Interstate Vertical Clearance Map PDF Format		Interstate Vertical Clearance
Primary Road Vertical Clearance Map PDF Format		Primary Road Surface Width and Vertical Clearance
Commercial and Industrial Network Map PDF Format		Commercial and Industrial Network
National Highway System Map PDF Format		National Highway System Map
System Classification for Planning Map PDF Format		System Classification for Planning Map