A professional who inspects motor vehicles and cargoes for compliance with statutory regulations. Responsibilities include:

• Reviews employer records to determine that accidents, traffic violations, and medical information are recorded according to federal and state regulations.
• Advises shipper of methods to improve cargo security and record keeping to account for shortage or theft.
• Interprets applicable regulations and suggests method of self-inspection to accomplish voluntary compliance with code.
• Inspects vehicle systems, such as lights, brakes, tires, directional signals, exhaust systems, and warning devices, to detect excessive wear or malfunction.
• Measures interior and exterior noise levels, using decibel meter.
• Measures efficiency of emission-control devices, using electronic test apparatus.
• Reviews shipping papers to identify hazardous cargo, such as explosives, poisons, or combustibles.
• Inspects manner in which hazardous cargo is secured to prevent accidental spillage.
• Computes and records weight of commercial trucks at highway weigh station or uses portable scale to determine gross weight and distribution of load over axles.
• Reviews commercial vehicle log to verify driver has not exceeded allowable driving hours and required permits and licenses are displayed.
• Declares vehicle or driver out-of-service for violation of intra- or interstate commerce regulations.
• Inspects buses to determine compliance with public transport regulations.
• May accompany bus drivers to observe conduct and observance with safety precautions.
• May inspect establishments that rebuild containers used to hold hazardous materials.
• May testify in legal proceedings.