Section 41100.
41100. In any action involving the question of unlawful speed of a vehicle upon a highway which has been signposted with speed restriction signs of a type complying with the requirements of this code, it shall be presumed that existing facts authorize the erection of the signs and that the prima facie speed limit on […]
Section 41101.
41101. (a) Whenever a traffic sign or traffic control device is placed in a position approximately conforming to the requirements of this code, it shall be presumed to have been placed by the official act or direction of lawful authority, unless the contrary is established by competent evidence. (b) Any sign or traffic control device placed pursuant […]
Section 41104.
41104. In any case, involving an accident or otherwise, where any rear component of a train of vehicles fails to follow substantially in the path of the towing vehicle while moving upon a highway, the vehicle shall be presumed to have been operated in violation of Section 21711. (Added by Stats. 1959, Ch. 44.)