Section 34501.6 Of Division 14.8. Safety Regulations From California Vehicle Code >> Division 14.8.
34501.6
. The governing board of a local educational agency that
provides for the transportation of pupils shall adopt procedures that
limit the operation of schoolbuses when atmospheric conditions
reduce visibility on the roadway to 200 feet or less during regular
home-to-school transportation service. Operational policies for
school activity trips shall give schoolbus drivers discretionary
authority to discontinue schoolbus operation if the driver determines
that it is unsafe to continue operation because of reduced
visibility.