- Alabama: https://dot.state.al.us/
- Alaska: http://dot.alaska.gov/
- Arizona: https://azdot.gov/
- Arkansas: https://www.ardot.gov/
- California: https://dot.ca.gov/
- Colorado: https://codot.gov/
- Connecticut: https://portal.ct.gov/DOT
- Delaware: https://deldot.gov/
- Florida: https://www.fdot.gov/
- Georgia: https://www.dot.ga.gov/
- Hawaii: https://hidot.hawaii.gov/
- Idaho: https://itd.idaho.gov/
- Illinois: https://idot.illinois.gov/
- Indiana: https://www.in.gov/indot/
- Iowa: https://iowadot.gov/
- Kansas: https://www.ksdot.org/
- Kentucky: https://transportation.ky.gov/
- Louisiana: http://wwwsp.dotd.la.gov/
- Maine: https://www.maine.gov/mdot/
- Maryland: https://mdot.maryland.gov/
- Massachusetts: https://www.mass.gov/dot
- Michigan: https://www.michigan.gov/mdot/
- Minnesota: http://www.dot.state.mn.us/
- Mississippi: https://mdot.ms.gov/
- Missouri: http://www.modot.org/
- Montana: https://mdt.mt.gov/
- Nebraska: https://dot.nebraska.gov/
- Nevada: https://www.nevadadot.com/
- New Hampshire: https://www.nh.gov/dot/
- New Jersey: https://www.state.nj.us/transportation/
- New Mexico: http://dot.state.nm.us/
- New York: https://www.dot.ny.gov/
- North Carolina: https://www.ncdot.gov/
- North Dakota: https://dot.nd.gov/
- Ohio: http://www.dot.state.oh.us/
- Oklahoma: https://www.ok.gov/odot/
- Oregon: https://www.oregon.gov/odot/
- Pennsylvania: http://www.penndot.gov/
- Rhode Island: https://www.dot.ri.gov/
- South Carolina: https://scdot.org/
- South Dakota: https://dot.sd.gov/
- Tennessee: https://www.tn.gov/tdot
- Texas: https://www.txdot.gov/
- Utah: https://www.udot.utah.gov/
- Vermont: https://vtrans.vermont.gov/
- Virginia: https://www.virginiadot.org/
- Washington: https://wsdot.wa.gov/
- West Virginia: https://wv.gov/dot
- Wisconsin: https://wisconsindot.gov/
- Wyoming: https://www.wyoroad.info/