Driver Handbook

Driver experience organized into practical entries you can find by question.

Navigation suggests a shortcut. Can this combination use it?

Official basis: Caltrans identifies California Truck Network as the official state-highway truck-route source, available through QuickMap’s commercial vehicle options. Route colors have different vehicle conditions. Chec

Crossing Donner or another pass: what should I check?

Official basis: Caltrans states that snow tires do not exempt heavy-duty commercial vehicles from posted chain controls. Carrying devices and installing them are different requirements. Check suitable equipment and place

The gross weight looks acceptable. Must I still check dimensions and permits?

Official basis: Caltrans transportation permits cover state highways under its jurisdiction. Local roads may require permissions from their responsible authorities. Meet each permit’s route, vehicle and operating conditi

How should I check the documents before crossing state lines?

Official basis: An IRP cab card provides apportioned registration information, including registered weights by member jurisdiction. IFTA concerns fuel-tax credentials and reporting for applicable operations. Qualified IF