City of San Mateo Law Library
City of San Mateo Municipal Code.

27.64.130 TURNING RADII AND TURNAROUND REQUIREMENTS.

Circulation for parking facilities shall conform with the following standards:

(a) Back out onto any public right-of-way shall be prohibited for all uses except single-family and two-family dwellings.

(b) For all uses except single-family and two-family dwellings and secondary units, all parcels providing three (3) or more permanently maintained garage or parking stalls shall provide an area for turnaround purposes on the site which shall conform with the requirements of the City "Standard Drawings and Specifications" and be located adjacent to the entrance of the garage or parking stall, and not on any part of the public right-of-way.

(c) No portion of a circular ramp may be considered as aisle for automobiles in adjacent bays.

(d) Ramps in multi-level garages shall be designed with gradual slopes to ensure driver visibility of the pavement at all times, and shall be subject to approval of the Director of Public Works.

(e) Turning aisles or ramps with two-way traffic shall have radii and aisle widths sufficient for two (2) automobiles to pass on the turn. Ramp widths on turns shall be as follows:

Curb to Curb Wall to Wall
Minimum one-way ramp width 12′ 16′
Minimum two-way ramp width 24′ 28′

(f) No portion of a circular ramp may be considered as aisle for automobiles in adjacent bays.

(g) Ramps in multi-level garages shall be designed with gradual slopes to insure driver visibility of the pavement at all times, and shall be subject to approval of the Director of Public Works.