What Is a Black California Legal Truck?

California Legal Trucks and Routes

California legal trucks can travel on STAA, California legal, and advisory routes, with certain restrictions. They operate on most state highways with a few exceptions, such as prohibited red routes.

The key differences between green STAA and black California legal trucks lie in their lengths and designated routes. STAA trucks have a 53-foot maximum length and predominantly run on interstates. In contrast, California legal trucks have a 40-foot length limit and can operate on any state route.

Truck Regulations in California

To operate legally in California with a truck, it is essential to determine if your vehicle falls under the category of a green STAA or a black California legal truck. This classification determines the length restrictions applicable to your truck.

For black trucks, the kingpin-to-rearmost-axle (KPRA) limit is 40 feet for two-axle trailers and 38 feet for single-axle trailers. Green trucks, on the other hand, can accommodate larger trailers, with KPRA limits allowing 48-foot two-axle and 53-foot multiple rear axle trailers.

Speed Limit and Trailer Regulations

When towing a trailer in California, the maximum speed limit is set at 55 mph unless otherwise indicated. The state also permits triple towing, with a total of three vehicles allowed. Spread axle trailers are considered legal as long as the kingpin-to-rear axle distance does not exceed 41 feet.

Transition to Zero-Emission Vehicles

By 2036, California will mandate that truck manufacturers exclusively sell zero-emission heavy-duty and medium-duty models. Additionally, large fleets will be required to transition to electric trucks within the same timeframe. The ultimate goal is to achieve 100% zero-emission trucks on the roads by the year 2045.

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