Chapter 83.12 — ROAD SYSTEM DESIGN STANDARDS

San Bernardino County Zoning Code · 2026-06 edition · ingested 2026-07-07 · San Bernardino County

§ 83.12.010 Purpose.

The purpose of this Chapter is to provide standards for the various types of roads within the County maintained road system.

(Ord. 4011, passed - -2007)

§ 83.12.020 Applicability.

This Chapter shall apply to all the roads within the unincorporated portions of San Bernardino County. (Ord. 4011, passed - -2007)

§ 83.12.030 Road System Design Standards.

Table 83-20 provides road system design standards. For diagrams and specific features on the County maintained road system, refer to the Road Planning and Design Standards and the San Bernardino County Standards and Specifications Manual, as may be amended from time to time. The Road Planning and Design Standards and the Standards and Specifications Manual are maintained by the Department of Public Works.

Table 83-20
Road System Design Standards
Highway Designation Number of Lanes Right-of-Way Width Curb-to-Curb Separation
Table 83-20
Road System Design Standards
Highway Designation Number of Lanes Right-of-Way Width Curb-to-Curb Separation
Freeway Variable (per Caltrans) Variable (per Caltrans) Variable (per Caltrans)
State Highway (special
standards/conditions)
Variable (per Caltrans) Variable (per Caltrans) Variable (per Caltrans)
Major Arterial Highway 6 120 ft. minimum 104 ft.
Major Divided Highway 4 120 ft. 94 ft.
Major Highway 4 104 ft. minimum 80 ft.
Secondary Highway 4 88 ft. 64 ft.
Controlled/Limited Access Collector 2 66 ft. 44 ft.
Mountain Major Highway 4 80 ft. 64 ft.
Mountain Secondary Highway 2 60 ft. 44 ft.
Collector Street 2 66 ft. 44 ft.
Local Street 2 60 ft. 36 ft.
Mountain Collector 2 50 ft.
Mountain Local 2 40 ft.
**Notes:**Collector Streets and Local streets are not shown on the General Plan Transportation/Circulation Maps.

(Ord. 4011, passed - -2007; Am. Ord. 4180, passed - -2012)