|
| State | Transportation Agencies | Web Address |
| Federal Highway Administration | http://www.fhwa.dot.gov/ | |
| United States Department of Transportation | http://www.dot.gov/ |
| State | Transportation Agencies | Web Address |
| Alabama | Department of Transportation | http://www.dot.state.al.us |
| Alaska | Department of Transportation | http://www.dot.state.ak.us |
| Arizona | Department of Transportation | http://www.dot.state.az.us/ |
| Arkansas | Highway and Transportation Department (AHTD) | http://www.ahtd.state.ar.us |
| California | *Department of Transportation *PATH Partners for Advances Transit and Highways *Division of Traffic Operations *Mass Transportation Program | http://www.dot.ca.gov/ |
| Colorado | Department of Transportation | http://www.dot.state.co.us |
| Connecticut | Department of Transportation | http://www.dot.state.ct.us/ |
| Delaware | Department of Transportation | http://www.deldot.net |
| District of Columbia | Department of Tranpsortation | http://www.ddot.dc.gov/main.shtm |
| Florida | *Department of Transportation * Department of Highway Safety and Motor Vehicles | http://www.dot.state.fl.us/ |
| Georgia | Department of Transportation | http://www.dot.state.ga.us/ |
| Hawaii | *Department of Transportation * Oahu Metropolitan Planning Organization | http://www.state.hi.us/dot |
| Idaho | * Idaho Transportation Department * Idaho State Ploice MCSAP Video Online | http://www.state.id.us/itd/itdhmpg.htm |
| Illinois | *Department of Transportation * State Government Agencies | http://dot.state.il.us |
| Indiana | Department of Transportation | http://www.ai.org/dot/ |
| Iowa | *Department of Transportation * Governor's Traffic Safety Bureau | http://www.dot.state.ia.us |
| Kansas | Department of Transportation | http://www.ink.org/public/kdot/ |
| Kentucky | Transportation Cabinet | http://www.kytc.state.ky.us |
| Louisiana | Department of Transportation & Development | http://www.dotd.state.la.us/ |
| Louisiana Department of Transportation | http://www.louisiana.gov/wps/portal/ | |
| Maine | Department of Transportation | http://www.state.me.us/mdot |
| Maryland | *Department of Transportation *State Highway Administration | http://www.mdot.state.md.us |
| Massachusetts | *Executive Office of Transportation and Construction *Highway Department | http://www.eotc.org/ |
| Michigan | "Department of Transportation " | http://www.michigan.gov/mdot/ |
| Minnesota | Department of Transportation | http://www.dot.state.mn.us/ |
| Mississippi | Department of Transportation | http://www.mdot.state.ms.us/ |
| Missouri | *Department of Transportation *Diviso of Motor Carrier and Railroad Safety | http://www.modot.state.mo.us |
| Montana | Department of Transportation | http://www.mdt.state.mt.us |
| Nebraska | Nebraska Department of Roads | http://www.dor.state.ne.us |
| Nevada | Department of Transportation | http://www.nevadadot.com/ |
| New Hampshire | Department of Transportation | http://www.state.nh.us/dot/ |
| New Jersey | *Department of Transportation * Port Authority of New York and New Jersey | http://www.state.nj.us/transportation/ |
| New Mexico | Highway and Transportation Department | http://www.nmshtd.state.nm.us |
| New York | *New York State Department of Transportation * New York Metropolitan Transportation Council *Port Authority of New York and New Jersey * Thruway Authority, New York State | http://www.dot.state.ny.us |
| North Carolina | *Department of Transportation * Divison of Highways * ITRE: UNC Institute for Transportation Research and Education | http://www.dot.state.nc.us |
| North Dakota | Department of Transportation | http://www.state.nd.us/dot |
| Ohio | Department of Transportation | http://www.dot.state.oh.us |
| Oklahoma | Department of Transportation | http://www.okladot.state.ok.us/ |
| Oregon | Department of Transportation | http://www.odot.state.or.us/ |
| Pennsylvania | * Department of Transportation * Penn State Center For Intelligent Transportation Systems | http://www.dot.state.pa.us/ |
| Rhode Island | Department of Transportation | http://www.dot.state.ri.us/ |
| South Carolina | Department of Transportation | http://www.dot.state.sc.us/ |
| South Dakota | Department of Transportation | http://www.sddot.com |
| Tennessee | *Department of Transportation * Johnson City MPO | http://www.tdot.state.tn.us |
| Texas | *Center for Transportation Research * Department of Transportation * Texas Transportation Institute | http://www.utexas.edu/research/ctr/ |
| Texas Department of Transportation | http://www.dot.state.tx.us/ | |
| Utah | Department of Transportation | http://www.sr.ex.state.ut.us |
| Vermont | Agency of Transportation | http://www.aot.state.vt.us |
| Virginia | *Department of Transportation *Virginia Tech Transportation Infrastructure & Systems Engineering Divison | http://www.vdot.state.va.us |
| Washington | Department of Transportation | http://www.wsdot.wa.gov/ |
| West Virginia | Department of Transportation | http://www.wvdot.com/ |
| Wisconsin | Department of Transportation | http://www.dot.state.wi.us |
| Wyoming | Department of Transportation | http://wydotweb.state.wy.us/ |