23330.  Except where a special permit has been obtained from the
Department of Transportation under the provisions of Article 6
(commencing with Section 35780) of Chapter 5 of Division 15, none of
the following shall be permitted on any vehicular crossing:
   (a) Animals while being led or driven, even though tethered or
harnessed.
   (b) Bicycles, motorized bicycles, or motorized scooters, unless
the department by signs indicates that bicycles, motorized bicycles,
or motorized scooters, or any combination thereof, are permitted upon
all or any portion of the vehicular crossing.
   (c) Vehicles having a total width of vehicle or load exceeding 102
inches.
   (d) Vehicles carrying items prohibited by regulations promulgated
by the Department of Transportation.



23331.  Pedestrians shall not be permitted upon any vehicular
crossing, unless unobstructed sidewalks of more than three feet in
width are constructed and maintained and signs indicating that
pedestrians are permitted are in place.


23332.  It is unlawful for any person to be upon any portion of a
vehicular crossing which is not intended for public use without the
permission of the Department of Transportation.  This section does
not apply to a person engaged in the operation, maintenance, or
repair of a vehicular crossing or any facility thereon nor to any
person attempting to effect a rescue.



23333.  No vehicle shall stop, stand, or be parked in or upon any
vehicular crossing except:
   (a) When necessary to avoid injury or damage to persons or
property.
   (b) When necessary for the repair, maintenance or operation of a
publicly owned toll bridge.
   (c) In compliance with the direction of a member of the California
Highway Patrol or an employee of the Department of Transportation
who is a peace officer or with the direction of a sign or signal.
   (d) In such places as may be designated by the Director of
Transportation.


23334.  The Department of Transportation may adopt rules and
regulations not inconsistent with this chapter for the control of
traffic on any vehicular crossing to aid and insure the safe and
orderly flow of traffic, and shall, so far as practicable, notify the
public of the rules and regulations by signs on the vehicular
crossing.



23335.  The Department of Transportation shall cause to be published
and made available to the public at the tollgates of each vehicular
crossing copies of those traffic laws and rules and regulations
particularly applicable thereto.


23336.  It is unlawful to violate any rules or regulations adopted
under Section 23334, notice of which has been given either by a sign
on a vehicular crossing or by publication as provided in Section
23335.