California oversize permit office

California Department of Transportation (Caltrans), Office of Commercial Vehicle Operations - Oversize/Overweight Permits Office. Call (916) 322-1297, Office Hours are 8am-5pm, Mon-Fri (Closed on weekends and State Holidays). Pacific time.

From California's own pages, checked 2026-10-24. Fees and rules change: the state's page is the last word.

Apply online
Caltrans Transportation Permit System (CTPS)Source
How to get one
Register and apply online in CTPS, build your route in CalRoute, then pay online by credit card or a Caltrans monthly billing account; fax and email applications are not accepted.
Email
Oversize.Overweight.Permits@dot.ca.gov
Single trip fee
Permit fees shall be $16.00 for a Single Trip permit or rider modifying any original permit, $90.00 for an Annual permit or a Repetitive Permit.Source
Legal without a permit
Width 8.5 feet · Height 14 feet · Length Combinations limited to 65 feet, or 75 feet, or may be unlimited depending on the route; kingpin-to-rear-axle (KPRA) length of 40 feet; single unit 40 feet · Weight 80,000 poundsSource
Superloads
Loads over 15'-0" wide, over 17'-0" high or over 135'-0" long need a Variance Permit; apply at least 30 days before the move.Source

When you can move

Daylight
Loads that need no pilot car may travel 24/7 unless the permit says "No Night Travel"; darkness means half an hour after sunset to half an hour before sunrise (CVC 280). Loads with a pilot car: yellow routes 24/7 up to 16 ft wide; green routes daylight up to 15 ft; blue and brown routes daylight only, up to 15 ft (wider needs CHP, who set the hours).Source
At night
With a pilot car: yellow routes up to 16 ft wide, green routes up to 14 ft wide; no night travel on blue or brown routes.
Weekends
With a pilot car on blue and brown routes, Saturday and Sunday travel only from half an hour before sunrise to noon; yellow and green routes allow weekends.
Holidays
New Year's Day, Washington's Birthday, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day. Only for loads that need a pilot car: no travel from 4 p.m. to midnight the day before, and from noon to midnight on the holiday and each day of the holiday weekend (Thanksgiving: Wednesday 4 p.m. through Sunday, afternoons only). Mornings (midnight or sunrise to noon) stay open. Next datesSource
Rush-hour curfews
5 in California, such as San Diego and vicinity: Mon-Fri 7-9 a.m. and 4-6 p.m. (loads over 10 ft wide). All of them