California Vehicle Code/Take the Lane!

"Every person riding a bicycle upon a highway has all the
rights and is subject to all the provisions applicable to the driver of a vehicle by this division." Read the CA Vehicle Code.

Section 21202(c) of the Vehicle Code expressly allows cyclists to take the lane when it is "too narrow for a bicycle and a vehicle to travel safely side by side within the lane." Read more about your right to take the lane.