- Alabama – http://www.dot.state.al.us/
- Alaska – http://www.dot.state.ak.us/
- Arizona – http://www.azdot.gov/
- Arkansas – http://www.arkansashighways.com/
- California – http://www.dot.ca.gov/
- Colorado – http://www.coloradodot.info/
- Connecticut – http://www.ct.gov/dot/
- Delaware – http://www.deldot.gov/
- Disctrict of Colombia – http://ddot.dc.gov/
- Florida – http://www.dot.state.fl.us/
- Georgia – http://www.dot.ga.gov/
- Hawaii – http://www.hawaii.gov/dot/
- Idaho – http://www.itd.idaho.gov/
- Illinois – https://www.idot.illinois.gov
- Indiana – https://www.in.gov/indot/
- Iowa – https://iowadot.gov/
- Kansas – http://www.ksdot.org/
- Kentucky – http://transportation.ky.gov/
- Louisiana – http://wwwsp.dotd.la.gov
- Maine – http://www.maine.gov/mdot
- Maryland – http://www.mdot.maryland.gov/
- Massachusetts – https://www.mass.gov/orgs/massachusetts-department-of-transportation
- Michigan – http://www.michigan.gov/mdot/
- Minnesota – http://www.dot.state.mn.us/
- Mississippi – http://www.gomdot.com/
- Missouri – http://www.modot.org/
- Montana – http://www.mdt.mt.gov/
- Nebraska – http://www.dor.state.ne.us/
- Nevada – https://www.dot.nv.gov/
- New Hampshire – https://www.dot.nh.gov
- New Jersey – http://www.state.nj.us/transportation/
- New Mexico – http://dot.state.nm.us/
- New York State – http://www.dot.ny.gov/
- North Carolina – http://www.ncdot.org/
- North Dakota – http://www.dot.nd.gov/
- Ohio – http://www.dot.state.oh.us/
- Oklahoma – http://www.okladot.state.ok.us/
- Oregon – https://www.oregon.gov/ODOT
- Oklahoma – http://www.okladot.state.ok.us/
- Pennsylvania – https://www.penndot.gov/Pages/default.aspx
- Puerto Rico – https://dtop.pr.gov
- Rhode Island – http://www.dot.ri.gov/
- South Carolina – http://www.dot.state.sc.us/
- South Dakota – http://www.sddot.com/
- Tennessee – https://www.tn.gov/tdot.html
- Texas – http://www.dot.state.tx.us/
- Utah – https://www.udot.utah.gov/connect/
- Vermont – https://vtrans.vermont.gov/
- Virginia – http://www.virginiadot.org/
- Washington – http://www.wsdot.wa.gov/
- West Virginia – http://www.transportation.wv.gov/
- Wisconsin – https://wisconsindot.gov/Pages/home.aspx
- Wyoming – http://www.dot.state.wy.us/
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