Earlier editions: 2026-09
Title 9 — SUBDIVISIONS›Division 98 — STREETS
Contra Costa County Municipal Code Ch. 98-4 Width
Contra Costa County Municipal Code · 2026-10 edition · updated 2026-10-04 · Contra Costa County
Cite as: Contra Costa County Municipal Code Chapter 98-4 · Text as of 2026-10-04
98-4.002 - Minimum requirements.¶
The minimum width of pavement and rights-of-way of the various classes of streets shall be as shown on the following table:
| Width of Pavement | Width of Pavement | Class Right-of-way | |
|---|---|---|---|
| Class | w/ curbs | w/o curbs | Class Right-of-way |
| Thoroughfare & arterials | |||
| Two-lane | 40 feet | 60 feet | |
| Four-lane undivided | 64 feet | 64 feet | 84 feet |
| Four-lane divided | 80 feet | 100 feet | |
| Industrial two-lane | 48 feet | 68 feet | |
| Industrial four-lane | 64 feet | 84 feet | |
| Collector streets | 36 feet | 36 feet | 56 feet |
| Minor streets | 32 feet | 36 feet | 52 feet |
| Private roads | 16 feet | 25 feet |
(Ord. 78-5).
98-4.004 - Measurement.¶
The width of roadway shall be measured normal to the centerline between the top face of the curbs, or edges of the pavement, not including roadside ditches.
(Ord. 78-5).
98-4.006 - Exceptions.¶
Exceptions to the widths set forth in Section 98-4.002, because of terrain conditions in hillside areas, shall be considered on the basis of cross-sections and other evidence to be submitted by the subdivider.
(Ord. 78-5).
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