Roadway Information Codes provide a standardized reference for road conditions, characteristics, access limitations, and recreational opportunities throughout Southern California. These codes are used in the Scenic Drives, Pictorial Guide, Highway Tours, and Historic Roads sections of SoCalRegion.com.
Important: These are informational designations developed by SoCalRegion.com, not official roadway classifications or real-time condition reports. Check current road conditions and closures with the responsible transportation agency before traveling.
Code Quick Index
MC BC WC NS LS UP RR NR ST TW LC SA RA HC FR FC
Recreation and Travel Services
MC — Motorcycling
Roadway is of particular interest for recreational motorcycle touring.
BC — Bicycling
Roadway offers recreational bicycling opportunities. This designation does not guarantee bicycle lanes or separated facilities.
NS — No Services
No dependable fuel, food, or other traveler services are available along the identified roadway segment.
LS — Limited Services
Fuel, food, lodging, or other traveler services may be limited or widely spaced.
Roadway Characteristics
UP — Unpaved Road
Some or all of the route has an unpaved surface, including dirt or gravel roadway sections.
RR — Rough Road
Uneven pavement, deteriorated surfaces, potholes, or other rough roadway conditions may be encountered.
NR — Narrow Road
The roadway may have narrow lanes, reduced shoulders, or limited opportunities for opposing vehicles to pass.
ST — Steep Grades
Route includes significant grades or sustained steep climbs and descents.
TW — Twisting Road
Route contains frequent sharp curves, winding sections, or substantial alignment changes.
LC — Limited Clearance
Restricted vertical or horizontal clearance may affect certain vehicles. Confirm posted restrictions before traveling.
Access and Seasonal Conditions
WC — Winter Conditions
Snow, ice, chain requirements, or winter-related closures may affect travel.
SA — Seasonal Access
Public access may be restricted during certain seasons because of weather, land management, or other seasonal conditions.
RA — Restricted Access
Access is limited by regulations, ownership, gates, permits, or other restrictions. This code does not indicate that public entry is authorized.
FC — Flood Closure or Subject to Flood Closure
Roadway is subject to periodic flooding, storm runoff, wash crossings, or flood-related closures. This designation does not indicate a current closure.
Historic and Forest Roads
HC — Historic Roadway
Roadway contains identifiable historic alignments, pavement, bridges, structures, or other historic transportation features.
FR — Forest Road
Route includes roadways managed or designated as part of a forest road network. Road standards and permitted uses vary.
Using these codes: Individual roadway pages may display multiple codes. Codes describe potential conditions or route characteristics, not necessarily conditions present throughout the entire route. Always consult the appropriate road agency for current closures, restrictions, and travel advisories.
