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Preparing a Commercial Truck for Winter Mountain Routes in California

California commercial trucks need winter equipment matched to the actual tractor-trailer, not a fixed chain count or calendar date. Drivers should test-fit chains, check Caltrans QuickMap and CHIN, understand Donner truck screening and hold codes, and recognize that the Grapevine may use escorts or closures. Posted signs and current Caltrans or CHP instructions control the final decision.

What to Do When a Loaded Truck Is Over Axle or Overweight in California
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What to Do When a Loaded Truck Is Over Axle or Overweight in California

When a loaded truck is over axle or overweight in California, identify the exact limit shown on the scale ticket before moving. Sliding tandems can redistribute axle weight but cannot reduce gross weight. Reweigh after every adjustment, check locking pins, KPRA and route limits, and follow CHP directions if the vehicle is already on a public highway or under inspection.