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| ''N/A'' <small>[http://en.wikipedia.org/wiki/County_highway#United_States (Wikipedia)] </small> | | ''N/A'' <small>[http://en.wikipedia.org/wiki/County_highway#United_States (Wikipedia)] </small> | ||
Revision as of 06:12, 1 March 2015
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 (TTS=....) |
County Highway/Road | Township Highway/Road |
|---|---|---|---|
| Alabama | SR-xxx | CR-xxx | |
| Alaska | State Hwy xxx | County Hwy xxx | |
| Arizona | SR-xxx | CR-xxx | |
| Arkansas | State Hwy xxx | County Hwy xxx | |
| California | SR-xxx | CR-xxx | |
| Colorado | SH-xxx (SW Forum) & (CO Forum)& (CO Forum) |
CR-xxx | |
| Connecticut | SR-xxx | N/A (Wikipedia) | |
| Delaware | SR-xxx (Forum)
|
N/A (Wikipedia) | |
| District of Columbia | State Hwy xxx | County Hwy xxx | |
| Florida | SR-xxx | CR-xxx | |
| Georgia | SR-xxx | CR-xxx | |
| Hawaii | SR-xxx | CR-xxx | |
| Idaho | State Hwy xxx | County Hwy xxx | |
| Illinois | IL-xxx (TTS="Illinois xxx") |
County Hwy xxx | |
| Indiana | IN-xxx (TTS="Indiana xxx") |
CR-xxx When signed "County Road xxx" |
|
| Iowa | State Hwy xxx | County Hwy xxx | |
| Kansas | K-xxx (TTS="kay xxx") |
County Hwy xxx | |
| Kentucky | KY-xxx (TTS="Kentucky xxx") |
County Hwy xxx | |
| Louisiana | LA-xxx | Parish Rd xxx | |
| Maine | State Hwy xxx | County Hwy xxx | |
| Maryland | State Hwy xxx | County Hwy xxx | |
| Massachusetts | (See Forum) | N/A | |
| Michigan | M-xxx (TTS="emm xxx") |
CR-xxx | |
| Minnesota | State Hwy xxx | County Hwy xxx | |
| Mississippi | MS-xxx | CR-xxx | |
| Missouri | State Hwy xxx cnsd. SH-xxx |
County Hwy xxx cnsd. CH-xxx |
|
| Montana | State Hwy xxx | County Hwy xxx | |
| Nebraska | State Hwy xxx | County Hwy xxx | |
| Nevada | NV-xxx | CR-xxx | |
| New Hampshire | State Hwy xxx | County Hwy xxx | |
| New Jersey | SR-xxx | CR-xxx | |
| New Mexico | SR-xxx | CR-xxx | |
| New York | NY-xxx | CR-xxx | |
| North Carolina | NC-xxx | N/A (Wikipedia) | |
| North Dakota | ND-XX | County Hwy xxx | |
| Ohio | SR-xxx | CH-xxx (limited use) & CR-xxx | TH-xxx (limited use) & TR-xxx |
| Oklahoma | State Hwy xxx | County Hwy xxx | |
| Oregon | State Hwy xxx | County Hwy xxx | |
| Pennsylvania | SR-xxx | na | |
| Rhode Island | SR-xxx | N/A | |
| South Carolina | SC-xxx | S-##-xxx (secondary roads) CR-xxx# (county routes) |
|
| South Dakota | State Hwy xxx | County Hwy xxx | |
| Tennessee | TN-xxx (TTS="Tennessee xxx") |
County Hwy xxx | |
| Texas | SH-xxx | CR-xxx | |
| Utah | SR-xxx | CR-xxx | |
| Vermont | VT-xxx | CR-xxx | |
| Virginia | SR-xxx < 600 & 785 & 895, VA-xxx > 600 | N/A | |
| Washington | SR-xxx | CR-xxx | |
| West Virginia | State Rte xxx | County Hwy xxx | |
| Wisconsin | WIS-xxx (TTS="Wisconsin xxx") |
CR-xxx | |
| Wyoming | State Hwy xxx | County Hwy xxx |
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.