Section 21705 Of Article 2. Additional Driving Rules From California Vehicle Code >> Division 11. >> Chapter 3. >> Article 2.

. Motor vehicles being driven outside of a business or residence district in a caravan or motorcade, whether or not towing other vehicles, shall be so operated as to allow sufficient space and in no event less than 100 feet between each vehicle or combination of vehicles so as to enable any other vehicle to overtake or pass.