Regulation Navigator

Start with the trucking task at hand, read an explanation and find the regulation and official sources.

What are you working on?

Start with a work situation to understand the requirements, common mistakes and next steps.

7 TASK TOPICS
04 / Vehicle & road safety

Vehicle & road safety

Compare the condition observed by the driver with the carrier's inspection and maintenance records. Use the related regulation source when reviewing a defect or inspection record.

DVIR维修路检
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12 / Maintenance, periodic inspections and BIT

Maintenance, periodic inspections and BIT

Routine maintenance, periodic inspection and California’s 90-day inspections have distinct rules. Schedule the applicable vehicles, intervals and retention periods separately.

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13 / Tires, lamps and emergency equipment

Tires, lamps and emergency equipment

Start with defects that affect safety, then check tires, lights and emergency equipment. Meeting one numerical minimum does not establish that the whole vehicle is safe.

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14 / Cargo securement and en-route checks

Cargo securement and en-route checks

Cargo securement must satisfy movement prevention, strength and tiedown-count requirements together. Reinspect during the trip where the rules require it.

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15 / California weights, dimensions and permits

California weights, dimensions and permits

Measure dimensions and axle loads before checking the route. An acceptable gross weight does not rule out an axle-group, tire, length or local restriction.

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16 / California speed, lanes and tire chains

California speed, lanes and tire chains

In California, check the applicable truck speed limit and lane designation, then adjust for conditions and controls. Do not assume passenger-car chain or phone practices apply to a heavy truck.

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17 / Roadside inspections, warnings and crash records

Roadside inspections, warnings and crash records

Inspection reports, out-of-service orders and accident reports are different matters. Secure the scene first, then handle handoff, repairs and deadlines separately.

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Know the regulation or citation? Search above, or browse the regulation index。