Section 35252 Of Chapter 3. Height From California Vehicle Code >> Division 15. >> Chapter 3.
35252
. (a) A pilot car may operate a vertical clearance measuring
device with a height in excess of 14 feet when escorting a permitted
overheight load. The pilot car may also operate the vertical
clearance measuring device when surveying a route for a permitted
overheight load.
(b) Any vertical measuring device used by a pilot car shall be
designed and operated so as to avoid any damages to overhead
structures. The measuring device shall be securely affixed to the
pilot car, and shall be operated in a manner that does not create a
hazard to surrounding traffic.
(c) The operator of the pilot car shall not reduce the vehicle's
speed more than 20 miles per hour below the posted speed limit on the
roadway to measure overhead clearance, nor exit the vehicle to
measure the clearance of overhead structures from a vantage point on
or above the roadway.