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Revision as of 23:35, 9 November 2014

This table identifies the specific naming conventions used for the various highway types for each state in the Unites States. Details of the naming convention is on the road naming page.

All interstate highways (freeways) are named the same across all states, so they are not included in the table below.

The state names are linked to the respective wiki page that provides specific editing guidelines (and other information) for that state. If the state link is red, there are no specific guidelines for that state yet. If you actively edit in that state consider creating that page and providing information to other editors in your state.

State State Highway/Route County Highway/Road
Alabama SR-### CR-###
Alaska State Hwy ### County Hwy ###
Arizona SR-### CR-###
Arkansas State Hwy ### County Hwy ###
California SR-### CR-###
Colorado SH-### (Forum) CR-###
Connecticut State Rte ### N/A (Wikipedia)


Delaware SR-### (Forum)


N/A (Wikipedia)


District of Columbia State Hwy ### County Hwy ###
Florida SR-### CR-###
Georgia SR-### CR-###
Hawaii State Hwy ### County Hwy ###
Idaho State Hwy ### County Hwy ###
Illinois State Rte ### County Hwy ###
Indiana State Rd ### CR-###
When signed "County Road ###"
Iowa State Hwy ### County Hwy ###
Kansas K-### County Hwy ###
Kentucky State Hwy ### County Hwy ###
Louisiana LA-### Parish Rd ###
Maine State Hwy ### County Hwy ###
Maryland State Hwy ### County Hwy ###
Massachusetts MA-### (Forum) N/A
Michigan M-### CR-### (e.g., CR-B15)
Minnesota State Hwy ### County Hwy ###
Mississippi MS-### CR-###
Missouri State Hwy ###
cnsd. SR-###
County Hwy ###
cnsd. CR-###
Montana State Hwy ### County Hwy ###
Nebraska State Hwy ### County Hwy ###
Nevada SR-### CR-###
New Hampshire State Hwy ### County Hwy ###
New Jersey SR-### CR-###
New Mexico SR-### CR-###
New York SR-### CR-###
North Carolina NC-### N/A (Wikipedia)
North Dakota State Hwy ### County Hwy ###
Ohio SR-### CR-### & County Hwy ###
Oklahoma State Hwy ### County Hwy ###
Oregon State Hwy ### County Hwy ###
Pennsylvania SR-### na
Rhode Island State Rte ### N/A
South Carolina SC-### N/A
South Dakota State Hwy ### County Hwy ###
Tennessee State Hwy ### County Hwy ###
Texas SH-### CR-###
Utah SR-### CR-###
Vermont State Hwy ### County Hwy ###
Virginia State Hwy ### N/A
Washington SR-### CR-###
West Virginia State Rte ### County Hwy ###
Wisconsin State Hwy ### CR-###
Wyoming State Hwy ### County Hwy ###

Note: Some states are in the process of considering a change and may be designated with cnsd.

If you are an editor for a particular state that feels your state should consider a different format than you see above, please come to the US forums and select the sub-forum region for your state. In that sub-forum start a discussion around making a change to the naming convention for your state and tell the reasons why you think it should be done. Once consensus is reached the change can be made here.

General discussions on this page can be found in this thread.