Title 21 — SUBDIVISIONS›Chapter 21.24 — DESIGN STANDARDS
Los Angeles County Municipal Code Part 2 Highways
Los Angeles County Municipal Code · 2026-09 edition · updated 2026-10-04 · Los Angeles County
Cite as: Los Angeles County Municipal Code Part 2 · Text as of 2026-10-04
21.24.050 - Highways.¶
A.
Where the Highway Plan shows any highway so located that any portion thereof lies within any proposed division of land, right-of-way for such portion shall be provided within such division in the general location shown on the Highway Plan, unless the advisory agency finds that the Highway Plan will be so amended as to remove or change the location of any portion of such highway within the proposed division, or unless an exception is granted pursuant to Section 21.52.010.
B.
Where the advisory agency finds that the Highway Plan will be amended in the future to add or reclassify a highway so located that a portion thereof lies within a proposed division of land, right-of-way for such portion shall be provided within the division in a width and at a location deemed appropriate by the advisory agency.
(Ord. 89-0061 § 1, 1989: Ord. 85-0168 § 3, 1985: Ord. 9404 § 7, 1967: Ord. 9071 § 5 (part), 1966: Ord. 5345 § 1, 1949: Ord. 4478 Art. 4 § 41, 1945.)
21.24.060 - Conformity with highway plan.¶
A.
Each highway shall conform in width and substantially in alignment with that shown or indicated in the Highway Plan.
B.
The centerline curve radius of an expressway shall not be less than 2,100 feet.
C.
The centerline curve radius of a major highway shall be not less than 1,500 feet.
D.
The centerline curve radius of a highway other than a major highway or expressway shall be not less than 1,000 feet.
E.
The centerline curve radius of a highway may be reduced if topographic features or title limitations make it impossible or impractical to conform to the standards contained in this section, at the discretion of the director of public works.
F.
This section shall not apply to reversion to acreage maps.
(Ord. 89-0061 § 2, 1989: Ord. 85-0168 § 4, 1985: Ord. 11665 § 21, 1978: Ord. 4478 Art. 4 § 42, 1945.)
21.24.065 - Right-of-way and Roadway Width Requirements—Cross-section Diagrams.¶
A.
Each highway shall have a width of right-of-way, vehicular pavement, and sidewalk where a sidewalk is required, to conform to the following cross-sections and standards, or such other designs as approved by the Director of Public Works. The advisory agency may modify the requirements of this section as to highway widths if topographic features, title limitations, existing improvements, or safety considerations make such dedication impossible or impractical, provided the safety and convenience of bicyclists and pedestrians, including children, senior citizens, and persons with disabilities, are maintained.
B.
Width of Limited Secondary Highways. Where the advisory agency finds that the traffic or drainage conditions warrant, the area indicated by the asterisk in Diagram 3 shall be shown as a future or dedicated right-of-way. If such finding is not made, said area shall be subject to the provisions specified by Section 22.110.080.E (Limited Secondary Highways) of this Code. Other yard requirements established by Division 3 (Zones) and any Combining Zone identified in Section 22.06.030 (Combining Zones) of this Code shall be in addition to said provisions.
C.
Cross-sections—not to scale. (See Cross-section Diagrams for Section 21.24.065 on the following pages.)
(Ord. 2022-0029 § 19, 2022; Ord. 2013-0001 § 2, 2013; Ord. 89-0061 § 3, 1989; Ord. 85-0168 § 5, 1985.)
21.24.070 - Part-width highways.¶
Any part-width highway, or any reservation therefor, lying along and abutting any boundary of a division of land shall have such a width as will conform to the lines shown on the Highway Plan covering the same portion of such division.
(Ord. 85-0168 § 6, 1985: Ord. 9071 § 5 (part), 1966: Ord. 4478 Art. 4 § 43, 1945.)
21.24.080 - Grade separation and bridge approaches.¶
A.
Wherever any highway within a division of land intersects any railroad, interurban, or streetcar right-of-way, and such highway is shown upon the Highway Plan, and provision is made in such plan for the location of a separation of grades at such intersection, the road layout of the division of land shall be such as to conform to such plan.
B.
Each lot abutting upon a proposed cut or fill necessary for the approach to such grade separation shall be given suitable access elsewhere.
C.
Wherever it is proposed to divide property abutting an approach to an existing or proposed bridge, the division shall be arranged so that any lot abutting such approach has suitable access elsewhere, and the street layout adequately provides for such approach.
(Ord. 85-0168 § 7, 1985; Ord. 9071 § 5 (part), 1966: Ord. 4478 Art. 4 § 44, 1945.)
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