All oversize loads entering the City of Placentia must conform to the requirements set by the California Department of Transportation (Caltrans) and the Placentia Public Works Department.

In general, any vehicle over 12 feet in width, 14 feet 6 inches in height, and within the super heavy weight class (over 125 tons) should obtain an oversize load permit from the Placentia Public Works Department.

Placentia, being part of Orange County, adheres to specific regulations to ensure safe passage of oversized loads through its infrastructure, including major roads like Orangethorpe Avenue and Placentia Avenue.

In Placentia, escort vehicles are required for loads exceeding 16 feet in width or 14 feet 6 inches in height. Escort vehicles must be equipped with appropriate warning lights and flags as per California Vehicle Code.

For super heavy loads (over 125 tons), a police escort may be required. The Placentia Police Department coordinates with the Orange County Sheriff's Department for escort services. Fees for police escorts vary based on the time of day and the complexity of the route, ranging from $200 to $500 per hour.

To apply for an oversize load permit in Placentia, applicants must submit their requests through the California Department of Transportation's (Caltrans) online permit system or by contacting the Placentia Public Works Department directly.

Documentation required includes detailed route information, load dimensions, and weight. Applicants must also provide proof of insurance and a valid business license.

Oversize loads are restricted from traveling during peak hours (7-9 am and 4-6 pm, Monday through Friday) to minimize traffic disruptions.

During extreme weather conditions, such as heavy rain or high winds, oversize load permits may be suspended. It is the responsibility of the permit holder to check weather conditions before embarking on their journey.

Certain neighborhoods and historic districts in Placentia have restricted routes. Loads must avoid residential areas like the Placentia Historic District and follow designated truck routes.

The base permit fee for oversize loads in Placentia is $150. Additional fees are charged based on the size and weight of the load, ranging from $50 to $200.

For super heavy loads (over 125 tons), a special permit fee of $500 is applied, plus an additional $100 for each ton over 125 tons.