Alabama

 www.dot.state.al.us

Alaska

 http://511.alaska.gov

Arizona

 www.az.gov

Arkansas

 www.arkansashighways.com

California

 www.dot.ca.gov/cgi-bin/roads.cgi

Colorado

Connecticut

Delaware

Florida

Georgia

Hawaii

 www.hawaiihighways.com

Idaho

 http://511.idaho.gov

Illinois

 www.gettingaroundillinois.com

Indiana

 www.in.gov/isp

Iowa

 http://511ia.org

Kansas

 http://511.ksdot.org

Kentucky

 http://511.ky.gov

Louisiana

 www.511la.org

Maine

  http://67.106.3.239

Maryland

 www.chart.state.md.us

Massachusetts

 www.massdot.state.ma.us/highway

Michigan

  www.ohsp.state.mi.us

Minnesota

 www.511mn.org

Mississippi

 www.gomdot.com

Missouri

 http://maps.modot.mo.gov/travelerinformation 

Montana

 www.mdt.mt.gov/travinfo

Nebraska

www.511nebraska.org

Nevada

New Hampshire

New Jersey

New Mexico

New York

North Carolina

North Dakota

 www.dot.nd.gov/travel-info

Ohio

 www.buckeyetraffic.org

Oklahoma

 www.dps.state.ok.us

Oregon

Pennsylvania

Rhode Island

South Carolina

South Dakota

 www.sddot.com/travinfo.asp

Tennessee

 www.tdot.state.tn.us

Texas

 www.txdot.gov

Utah

 www.utahcommuterlink.com               www.dot.state.ut.us

Vermont

 www.511vt.com

Virginia

 www.511virginia.org

Washington

 www.wsdot.wa.gov/traffic

West Virginia

 www.wvdot.com

Wisconsin

 www.511wi.gov/web/map.aspx

Wyoming

  www.wyoroad.info