Difference between revisions of "Highway naming"

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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 names/USA|road naming]] page.
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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 covered in the [[Road names|road naming]] page.
  
All [[Road names/USA#United States Interstate Highway System|interstate highways (freeways)]] are named the same across all states, so they are not included in the table below.
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All [[Road names#United States Interstate Highway System|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.
 
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.
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|-
 
|-
 
! State
 
! State
! [[Road names/USA#State highways|State Highway/Route<br/>(TTS=....)]]
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! [[Road names#State highways|State Highway/Route<br/>(TTS=....)]]
! [[Road names/USA#County highways and county roads|County Highway/Road]]
+
! [[Road names#County highways and county roads|County Highway/Road]]
! [[Road names/USA#Township highways and township roads|Township Highway/Road]]
+
! [[Road names#Township highways and township roads|Township Highway/Road]]
 
|-
 
|-
 
| [[Alabama]]
 
| [[Alabama]]
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|-
 
|-
 
| [[Alaska]]
 
| [[Alaska]]
| State Hwy xxx
+
| AK-xxx
| County Hwy xxx
+
| N/A
 
|
 
|
 
|-
 
|-
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|-
 
|-
 
| [[Arkansas]]
 
| [[Arkansas]]
| State Hwy xxx
+
| AR-xxx
| County Hwy xxx
+
| CR-xxx
 
|
 
|
 
|-
 
|-
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|-
 
|-
 
| [[Hawaii]]
 
| [[Hawaii]]
| SR-xxx
+
| HI-xxx
 
| CR-xxx
 
| CR-xxx
 
|
 
|
 
|-
 
|-
 
| [[Idaho]]
 
| [[Idaho]]
| State Hwy xxx
+
| ID-xxx
| County Hwy xxx
+
| CR-xxx
 
|
 
|
 
|-
 
|-
 
| [[Illinois]]
 
| [[Illinois]]
 
| SR-xxx
 
| SR-xxx
| CR-xxx
+
| CH-xxx (Shielded County Hwy)<br />CR-xxx (Named County Road)
 
|
 
|
 
|-
 
|-
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| [[Kentucky]]
 
| [[Kentucky]]
 
| KY-xxx<br/>(TTS="Kentucky xxx")
 
| KY-xxx<br/>(TTS="Kentucky xxx")
|  
+
| CR-xxx<br/>(Only if signed)
 
|
 
|
 
|-
 
|-
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|-
 
|-
 
| [[Maine]]
 
| [[Maine]]
| State Rte xxx
+
| SR-xxx<br/>SR-xxx BUS
| County Rte xxx
+
| ''N/A''
 
|
 
|
 
|-
 
|-
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|-
 
|-
 
| [[Minnesota]]
 
| [[Minnesota]]
| MN-xxx
+
| [[Image:MN-1.png|35px]] = MN-xxx
 
(TTS="Minnesota xxx")
 
(TTS="Minnesota xxx")
| CR-xxx
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| [[Image:Baldwin County Route 64 AL.svg.png|35px]] = CH-xxx <br/>[[Image:St Louis County Route 7 MN.svg.png|35px]] = CR-xxx  
(TTS="County Road xxx")
 
 
|
 
|
 
|-
 
|-
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|-
 
|-
 
| [[Missouri]]
 
| [[Missouri]]
| MO-xxx (Primary numbered)<br/>(TTS="Missouri xxx")<br/>State Hwy xxx (Sec lettered)<br/>cnsd. SH-xxx
+
| MO-xxx  
 +
<br/>(TTS="Missouri xxx")<br/>SH-xxx (Sec lettered)(TTS="State Highway xxx")
 
| CR-xxx
 
| CR-xxx
 
|
 
|
 
|-
 
|-
 
| [[Montana]]
 
| [[Montana]]
| State Hwy xxx
+
| MT-xxx [[File:MT-1.png|20x20px]] (Primary Highways) (TTS="Montana xxx")<br />SH-xxx (Secondary Highways) (TTS="State Highway xxx")
| County Hwy xxx
+
| CR-xxx
 
|
 
|
 
|-
 
|-
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|-
 
|-
 
| [[New Jersey]]
 
| [[New Jersey]]
| NJ-xxx<br>(TTS="New Jersey xxx")
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| SR-xxx<br>(TTS="State Route xxx")
 
| CR-xxx
 
| CR-xxx
 
|
 
|
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| [[Ohio]]
 
| [[Ohio]]
 
| SR-xxx
 
| SR-xxx
| CH-xxx (limited use) & CR-xxx
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| CR-xxx, CH-xxx (only in Wyandot county)
| TH-xxx (limited use) & TR-xxx
+
| TR-xxx, TH-xxx (only in Wyandot county)
 
|-
 
|-
 
| [[Oklahoma]]
 
| [[Oklahoma]]
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| [[Oregon]]
 
| [[Oregon]]
 
| State Hwy xxx
 
| State Hwy xxx
| County Hwy xxx
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| N/A
 
|
 
|
 
|-
 
|-
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|-
 
|-
 
| [[Tennessee]]
 
| [[Tennessee]]
| TN-xxx<br/>(TTS="Tennessee xxx")
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| TN-xxx for Primary<br/>(TTS="Tennessee xxx")<br/>SR-xxx for Secondary
 
| CR-xxx
 
| CR-xxx
 
|
 
|
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|-
 
|-
 
| [[Wyoming]]
 
| [[Wyoming]]
| State Hwy xxx
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| [[Image:WY-Highway-Blank.png|35px]] = SH-xxx<br/>(TTS="State Highway xxx")
| County Hwy xxx
+
| [[Image:WY-County-Blank.png|35px]] = CR-xxx & County Lane xxx
 
|
 
|
 
|}
 
|}

Latest revision as of 04:32, 30 January 2019

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 covered in 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 AK-xxx N/A
Arizona SR-xxx CR-xxx
Arkansas AR-xxx CR-xxx
California SR-xxx
(currently under discussion)
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 DC-295
(TTS="DC 295")
N/A
Florida SR-xxx CR-xxx
Georgia SR-xxx CR-xxx
Hawaii HI-xxx CR-xxx
Idaho ID-xxx CR-xxx
Illinois SR-xxx CH-xxx (Shielded County Hwy)
CR-xxx (Named County Road)
Indiana IN-xxx
(TTS="Indiana xxx")
CR-xxx
When signed "County Road xxx"
Iowa IA-xxx
(TTS="Iowa xxx")
CR-xxx
Kansas K-xxx
(TTS="kay xxx")
County Hwy xxx
Kentucky KY-xxx
(TTS="Kentucky xxx")
CR-xxx
(Only if signed)
Louisiana LA-xxx
(TTS="Louisiana xxx")
Parish Rd xxx
Maine SR-xxx
SR-xxx BUS
N/A
Maryland MD-xxx
(TTS="Maryland xxx")
N/A
Massachusetts SR-xxx N/A
Michigan M-xxx
(TTS="emm xxx")
CR-xxx
Minnesota MN-1.png = MN-xxx

(TTS="Minnesota xxx")

Baldwin County Route 64 AL.svg.png = CH-xxx
St Louis County Route 7 MN.svg.png = CR-xxx
Mississippi MS-xxx
(TTS="Mississippi xxx")
CR-xxx
Missouri MO-xxx


(TTS="Missouri xxx")
SH-xxx (Sec lettered)(TTS="State Highway xxx")

CR-xxx
Montana MT-xxx MT-1.png (Primary Highways) (TTS="Montana xxx")
SH-xxx (Secondary Highways) (TTS="State Highway xxx")
CR-xxx
Nebraska N-xxx
(TTS="Nebraska xxx")
L-xxx
(TTS="Nebraska Link xxx")
S-xxx
(TTS="Nebraska Spur xxx")
R-xxx
(TTS="Nebraska Recreation Road xxx")
CR-xxx
Nevada NV-xxx
(TTS="Nevada xxx")
CR-xxx
New Hampshire SR-xxx County Hwy xxx
New Jersey SR-xxx
(TTS="State Route xxx")
CR-xxx
New Mexico SR-xxx CR-xxx
New York NY-xxx
(TTS="New York xxx")
CR-xxx
(TTS="County Road xxx")
North Carolina NC-xxx
(TTS="North Carolina xxx")
N/A (Wikipedia)
North Dakota ND-xxx
(TTS="North Dakota xxx")
County Hwy xxx
Ohio SR-xxx CR-xxx, CH-xxx (only in Wyandot county) TR-xxx, TH-xxx (only in Wyandot county)
Oklahoma SH-xxx CR-xxx
Oregon State Hwy xxx N/A
Pennsylvania SR-xxx na
Rhode Island RI-xxx N/A
South Carolina SC-xxx
(TTS="South Carolina xxx")
S-##-xxx (secondary roads)
CR-xxx# (county routes)
South Dakota SD-xxx
(TTS="South Dakota xxx")
CR-xxx
Tennessee TN-xxx for Primary
(TTS="Tennessee xxx")
SR-xxx for Secondary
CR-xxx
Texas SH-xxx CR-xxx
Utah SR-xxx CR-xxx
Vermont VT-xxx
(TTS="Vermont xxx")
CR-xxx
Virginia SR-xxx < 600 & 785 & 895, VA-xxx > 600
(TTS="Virginia xxx")
N/A
Washington SR-xxx CR-xxx
West Virginia WV-xxx
(TTS="West Virginia xxx")
CR-xxx
Wisconsin WIS-xxx
(TTS="Wisconsin xxx")
CH-xxx
Wyoming WY-Highway-Blank.png = SH-xxx
(TTS="State Highway xxx")
WY-County-Blank.png = CR-xxx & County Lane 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.