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State Highways should be named as '''SC-XXX'''. This includes both primary and alternate names for a road.
State Highways should be named as '''SC-XXX'''. This includes both primary and alternate names for a road.


Secondary Routes should be named as '''S-##-XXX''', where ## is the number of the county (alphabetical order, see chart [[#County_resources|above]]; Abbeville is 1, York is 46) and XXX is the route number (e.g. 18); the full name for route 18 in York county would therefore be S-46-18. This name should be set as the alternate road name(s), where appropriate, and only as the primary road name in rare circumstances. Consult with the State Manager before doing this.
State Secondary Routes are state-maintained roadways that are not part of the state highway system.  This number is typically signed with a small black sign at any such roadway.  These should be named as '''S-##-XXX''', where ## is the number of the county (alphabetical order, see chart [[#County_resources|above]]; Abbeville is 1, York is 46) and XXX is the route number (e.g. 18); the full name for route 18 in York county would therefore be S-46-18. This name should be set as the alternate road name(s), where appropriate, and only as the primary road name in rare circumstances. Consult with the State Manager before doing this
 
Both state highway numbers and state secondary route numbers can be easily accessed online with [http://www.scdot.org/getting/streetfinder.aspx SC Street finder].
 
County Road numbers in South Carolina are usually not easily available and never signed; however, in places where they can be found more easily (such as Aiken County) we use "CR-XXX" to mark them.  Note some interstate exits will label a road as being "County Rd XXX". This does NOT mean that this is a county route; usually, they are state secondary routes.


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Revision as of 18:22, 7 January 2015


Note: There is an issue with basemap roads without a city and name being listed as in another state (most commonly Georgia or North Carolina). Double-check the state attribute of each road you edit! You can also use the Validator script to highlight roads with a state other than SC (custom check; template: ${state}, regex: !/^South Carolina$/).

Road typing

South Carolina follows the national guidelines for road types.

Locking

Segment Type Urban Coastal Rural
 Freeway  5
 Ramp  Highest lock of connected segment
 Major Highway  3 4 2
 Minor Highway  2 3 1
 Primary Street  1 2 1

Naming

State Highways should be named as SC-XXX. This includes both primary and alternate names for a road.

State Secondary Routes are state-maintained roadways that are not part of the state highway system. This number is typically signed with a small black sign at any such roadway. These should be named as S-##-XXX, where ## is the number of the county (alphabetical order, see chart above; Abbeville is 1, York is 46) and XXX is the route number (e.g. 18); the full name for route 18 in York county would therefore be S-46-18. This name should be set as the alternate road name(s), where appropriate, and only as the primary road name in rare circumstances. Consult with the State Manager before doing this.

Both state highway numbers and state secondary route numbers can be easily accessed online with SC Street finder.

County Road numbers in South Carolina are usually not easily available and never signed; however, in places where they can be found more easily (such as Aiken County) we use "CR-XXX" to mark them. Note some interstate exits will label a road as being "County Rd XXX". This does NOT mean that this is a county route; usually, they are state secondary routes.