Roads and bridges

Total highway, road and street lane miles: 235,751 (2009)*; bridges: 24,731 (2010); toll bridges and tunnels: 1 shared with Illinois and 4 shared with Nebraska (2009)
* Total lane miles above are as reported by the Federal Highway Administration. The Iowa DOT reported 114,740 public road miles as of 2009.

Transit

Trips per year (all transit modes): Approximately 20 million (2008)*
* The number above is as reported by the National Transit Database. The Iowa DOT reported 26.6 million transit trips in 2009.

Rail

Freight rail route-miles: 3,925 (2008)

Aviation

Airports (total): 320; public-use: 120*; state-owned: 0 (2003)
Enplanements per year: 1,448,831 (2009)
* The numbers of airports above are as reported by the National Association of State Aviation Officials.
The Iowa DOT reported 116 public-use airports as of April 2011, including seven private airports that are open for public use.

Marine

Waterborne tonnage per year: 11.8 million (2009)