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State Departments of Transportation (DOT)
The State Department of Transportation prescribes rules and regulations governing road construction, maintenance and the placement of utilities along public highways. It also decides the roads to be constructed, repaired, and maintained and directs the work. The following is a list of DOTs by state.

Alabama DOT http://www.dot.state.al.us
Alaska DOT and Public Facilities http://www.dot.state.ak.us
Arizona DOT http://www.dot.state.az.us
Arkansas State Highway and Transportation Dept. http://www.ahtd.state.ar.us
California DOT (Caltrans) http://www.dot.ca.gov
Colorado DOT http://www.dot.state.co.us
Connecticut DOT http://www.state.ct.us/dot
Delaware DOT http://www.state.de.us/deldot
Florida DOT http://www.dot.state.fl.us
Georgia DOT http://www.dot.state.ga.us
Hawaii DOT http://www.state.hi.us/dot
Idaho DOT http://www.state.id.us/itd/itdhmpg.htm
Illinois DOT http://www.dot.state.il.us
Indiana DOT http://www.in.gov/dot
Iowa DOT http://www.dot.state.ia.us
Kansas DOT http://www.state.ks.us/public/kdot
Kentucky Transportation Cabinet http://www.kytc.state.ky.us
Louisiana DOT and Development http://www.dotd.state.la.us
Maine DOT http://www.state.me.us/mdot/
Maryland DOT http://www.mdot.state.md.us
Massachusetts Highway Dept. http://www.magnet.state.ma.us/mhd/
Michigan DOT http://www.mdot.state.mi.us
Minnesota DOT http://www.dot.state.mn.us
Mississippi DOT http://www.mdot.state.ms.us
Missouri DOT http://www.modot.state.mo.us
Montana DOT http://www.mdt.state.mt.us
Nebraska Department of Roads http://www.dor.state.ne.us
Nevada DOT http://www.nevadadot.com/
New Hampshire DOT http://webster.state.nh.us/dot
New Jersey DOT http://www.state.nj.us/transportation
New Mexico Highway and Transportation Dept. http://www.nmshtd.state.nm.us
New York DOT http://www.dot.state.ny.us
North Carolina DOT http://www.ncdot.org
Ohio DOT http://www.dot.state.oh.us
Oklahoma DOT http://www.okladot.state.ok.us
Oregon DOT http://www.odot.state.or.us/home
Pennsylvania DOT http://www.dot.state.pa.us
Puerto Rico DOT and Public Works http://www.dtop.gov.pr
Rhode Island DOT http://www.dot.state.ri.us
South Carolina DOT http://www.dot.state.sc.us
South Dakota DOT http://www.sddot.com/
Texas DOT http://www.dot.state.tx.us
Utah DOT http://www.dot.state.ut.us
Vermont Agency of Transportation http://www.aot.state.vt.us
Virginia DOT http://virginiadot.org
Washington State DOT http://www.wsdot.wa.gov
West Virginia DOT http://www.wvdot.com
Wisconsin DOT http://www.dot.state.wi.us
Wyoming DOT http://wydotweb.state.wy.us

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