§ 9162.8. Driveway Access and Traffic Sight Clearance - Driveway Widths, Driveway… — Carson Zoning Code

A. The location of driveway approaches, driveway widths, and limitations on the location and height of walls, landscaping, buildings, signs, and other facilities which may affect the operation of vehicles or sight distance at driveway approaches, shall be as required by the Director of Public Works or by the Los Angeles County Fire Prevention Bureau.
B. Driveway approaches shall be designed as follows:
1. For commercial, industrial or residential driveway approaches having an anticipated average daily traffic of one hundred (100) vehicles or less, the driveway approach shall be designed as either a standard or flared approach.
2. For commercial, industrial or residential driveway approaches having an anticipated average daily traffic of more than one hundred (100) vehicles and less than one thousand (1,000) vehicles, the driveway approach shall be designed as a flared approach.
3. For residential driveway approaches serving more than sixty (60) dwelling units, or each commercial or industrial driveway approach having an anticipated average daily traffic of one thousand (1,000) vehicles or more, the driveway approach shall be designed as a local street with curb, spandrel, and cross gutter, which design shall be approved by the Director of Public Works.
C. The width of each type of driveway approach and driveway/aisleway shall be as set forth in the following tables; provided, however, that deviations from these standards may be required or permitted by the Director of Public Works if necessary to promote traffic safety or to comply with Fire Department regulations.

STANDARD DRIVEWAY APPROACH WIDTHS
Use	Driveway Approach Width	Driveway/ Aisleway Width
Residential – Single-family shelter	Minimum 12 ft. Maximum 28 ft.	Minimum 12 ft. Maximum 26 ft.
Residential – Commercial driveway for 4 or less units	Minimum 18 ft. Maximum 28 ft.	Minimum 18 ft. Maximum 26 ft.

STANDARD DRIVEWAY APPROACH WIDTHS
Use	Driveway Approach Width	Driveway/ Aisleway Width
Residential – Common driveway for 4 units or less	Minimum 20 ft. Maximum 28 ft.	Minimum 20 ft. Maximum 26 ft.
Residential – Common driveway for 5 or more units	Two-Way traffc Minimum 26 ft. Maximum 28 ft. One-way traffc Minimum 12 ft.	Two-Way traffc Minimum 24 ft. Maximum 26 ft. One-way traffc Minimum 12 ft.
Commercial or Industrial – for public access	Two-Way traffc Minimum 26 ft. Maximum 40 ft. One-way traffc Minimum 14 ft. Maximum 20 ft.	Two-Way traffc Minimum 26 ft. Maximum 38 ft. One-way traffc Minimum 14 ft. Maximum 20 ft.
Commercial or Industrial – for service access only	Minimum 20 ft. *	Minimum 20 ft. *

*In all cases, any additional width required for proper turning radii or truck loading facility requirements shall be provided.

FLARED DRIVEWAY APPROACH WIDTHS
Use	Driveway Approach Width	Driveway/ Aisleway Width
Residential – Single automobile shelter	Minimum 12 ft. Maximum 26 ft.	Minimum 12 ft. Maximum 20 ft.
Residential – Common driveway for 4 or less units	Minimum 20 ft. Maximum 28 ft.	Minimum 20 ft. Maximum 26 ft.
Residential – Common driveway for 5 or more units	Two-Way traffc Minimum 24 ft. Maximum 26 ft. One-way traffc Minimum 12 ft.	Two-Way traffc Minimum 24 ft. Maximum 26 ft. One-Way traffc Minimum 12 ft.
Commercial or Industrial for public access	Two-Way traffc Minimum 26 ft. Maximum 40 ft. One-way traffc Minimum 12 ft. Maximum 27 ft.	Two-Way traffc Minimum 26 ft. Maximum 38 ft. One-Way traffc Minimum 12 ft. Maximum 27 ft.
Commercial or Industrial for service access only	Minimum 20 ft.	Minimum 20 ft.

LOCAL STREET DRIVEWAY APPROACH	LOCAL STREET DRIVEWAY APPROACH	WIDTHS
Use	Driveway Approach Width	Driveway/ Aisleway Width
Residential	Minimum 32 ft. width, 15 ft. radius, curb returns	Minimum 32 ft. width
Commercial or Industrial	Minimum 38 ft. width with 25 ft. radius, curb returns	Minimum 38 ft. width

For purposes of utilizing this table, the anticipated average daily traffic for each use shall be based on the Standard Traffic Generation Table prepared by the San Diego Association of

Governments or such other source as may be specified by the Public Works Director.

Refer to CMC § 9162.51 to determine driveway or aisleway widths that provide direct access to an automobile or truck parking space.

(Ord. 91-445 § 2; Ord. 87-821 § 21)