Earlier editions: 2026-09
Division 3 — COUNTYWIDE DEVELOPMENT STANDARDS
San Bernardino County Municipal Code Ch. 83.12 Road System Design Standards
San Bernardino County Municipal Code · 2026-10 edition · updated 2026-10-04 · San Bernardino County
Cite as: San Bernardino County Municipal Code Chapter 83.12 · Text as of 2026-10-04
§ 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/ |
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/ |
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/ |
(Ord. 4011, passed - -2007; Am. Ord. 4180, passed - -2012)
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