Length:
- Over 100′ in LA City – two escorts
- Over 120′ to 135′ – one or more escorts
Overhang: Over 30′ front or rear – one or more escorts.
Width:
- Over 12′ – one or two escorts (Some local routes may need escort under 12′).
- Over 13′ on two-lane – two escorts on some routes.
- Over 14′-11″ on Interstate and four-lane – two escorts
- Over 16′ (over 15′ on two-lane) also needs CHP escorts (three CHPs)
Height: Over 18′ – one escort with high pole, utility clearance and route survey. CHP escorts may also be required. If escort is desired for a lower height, it must be stated on the permit, or you will be subject to a fine.
MISCELLANEOUS: No rear overhang is allowed for loaded shipping containers, 5′ rear allowed for empties. Overheight not permitted for shipping containers. Buckets, blades, counterweights do not need to be removed. Blade can be detached and hauled on same trailer with an overweight dozer, but permit must state it (“blade detached and reloaded”). Permits are not issued for tow-aways without an inspection report on the tow-away unit, or Cal-Trans permission and inspection appointment. If the tow- away unit is not registered, it also needs a temporary CA registration, which will be ordered when the permit is ordered. Four- axle tractors must have a CA inspection report or permission and inspection appointment. Single axle jeeps and boosters must have a Caltrans inspection before they can be permitted in California.
SIGNS, FLAGS & LIGHTS: Signs and flags are required on vehicles over 8′-6″ wide, over 80′ long, or with over 10′ overhang. Signs are also required when overweight only. For night running, amber marker lights are required at front corners of load and one on left outside extreme edge, visible from front and sides, and red at rear corners visible from rear and sides. Los Angeles County also requires the amber lights at all protrusions and at 5′ intervals completely around the load (and red in the rear), not over 5′ above ground level. When a rear overhang is 4′ or greater, it requires at least two lights or rear light bar at night. Rear light bar not needed on long load in daylight unless turn signals and brake lights are hidden by load.
Trailers exceeding 48 feet in length are not legal in California unless the kingpin to center of rear axle does not exceed 40 feet! Longer trailers can be permitted only when justified by length of the load.