Section 21650 Of Article 1. Driving On Right Side From California Vehicle Code >> Division 11. >> Chapter 3. >> Article 1.
21650
. Upon all highways, a vehicle shall be driven upon the right
half of the roadway, except as follows:
(a) When overtaking and passing another vehicle proceeding in the
same direction under the rules governing that movement.
(b) When placing a vehicle in a lawful position for, and when the
vehicle is lawfully making, a left turn.
(c) When the right half of a roadway is closed to traffic under
construction or repair.
(d) Upon a roadway restricted to one-way traffic.
(e) When the roadway is not of sufficient width.
(f) When the vehicle is necessarily traveling so slowly as to
impede the normal movement of traffic, that portion of the highway
adjacent to the right edge of the roadway may be utilized temporarily
when in a condition permitting safe operation.
(g) This section does not prohibit the operation of bicycles on
any shoulder of a highway, on any sidewalk, on any bicycle path
within a highway, or along any crosswalk or bicycle path crossing,
where the operation is not otherwise prohibited by this code or local
ordinance.
(h) This section does not prohibit the operation of a transit bus
on the shoulder of a state highway in conjunction with the
implementation of a program authorized pursuant to Section 148.1 of
the Streets and Highways Code on state highways within the areas
served by the transit services of the Monterey-Salinas Transit
District or the Santa Cruz Metropolitan Transit District.