Performs as an assistant to a supervisor and assigns and schedules commercial vehicle staff to specific work assignments. As an armed commercial vehicle enforcement officer with authority limited to commercial vehicles, enforces laws and regulations pertaining to weight, size, equipment safety, the transportation of hazardous materials, and licensing permit requirements of commercial vehicles, private carrier buses, and their operators by weighing and/or inspecting vehicles traveling on public highways; or performs vehicle driver inspections on commercial motor vehicles, and conducts terminal safety audits.

Provides security for commercial vehicle staff and facilities;

Assigns and schedules staff to specific work assignments to assist the supervisor in maintaining a comprehensive commercial vehicle enforcement program;

Reviews work reports submitted by subordinates and compiles reports on team activities to submit to supervisor;

Conducts a comprehensive inspection program of all public pupil transportation vehicles, as required by state law;

Coordinates agency district wide hazardous materials response efforts;

Conducts terminal safety audits;

Conducts specialty training of commercial vehicle enforcement personnel;

Maintains sick and vacation records of subordinates;

Weighs commercial vehicles with portable and stationary scales to assure compliance with state weight laws;

Inspects equipment on commercial vehicles through comprehensive, critical item safety inspections to assure compliance with laws governing required and proper condition of equipment;

Measures commercial vehicles and their loads to determine compliance with length, width, height and other configuration requirements;

Inspects commercial vehicles transporting hazardous materials to assure compliance with hazardous materials carrier regulations adopted by the State of Washington;

Operates radiological monitoring devices on radioactive loads, as required by state law;

Inspects driver's documents, operator's licenses, vehicle licenses, and permits as required by state laws, federal regulations;

Takes proper commercial vehicle enforcement action in compliance with the laws, regulations, and administrative codes enforced;

Assists the Major Accident Investigation Team (MAIT) in investigations of major accidents and fatalities involving commercial vehicles;

Assists in accident investigations involving commercial vehicles by inspecting safety of equipment;

Initiates and assists with investigation as part of the Drug Interdiction Assistance Program (DIAP);

Assists with investigations involving stolen heavy duty equipment;

Conducts covert surveillance of commercial vehicles;

Issues temporary vehicle licenses and fuel permits;

Initiates and assists with fuel tax evasion investigations;

Assembles presentations and testifies in court proceedings, as required;
Supplies directions, information and assistance to motoring public; renders first aid, as necessary;

Performs other duties as required.

Knowledge of: first aid; weigh station procedures; state laws governing motor truck transportation; federal and state laws regarding vehicle titling and registration; legal process and rules of evidence; interview techniques; court preparation and presentation; handling hazardous materials; vehicle equipment and maintenance procedures; basic administrative and office procedures; office machinery; agency policies, procedures and regulations.

Ability to: apply laws and rules relating to weights, loads and licensing of trucks and heavy equipment; use good judgment; deal tactfully and effectively with truckers, equipment operators and general public; maintain records; prepare reports; understand and follow written and oral instructions; plan work schedules; supervise others.

There may be instances where individual positions must have additional licenses or certification. It is the employer’s responsibility to ensure the appropriate licenses/certifications are obtained for each position.

Persons legally authorized to work in the U.S. under federal law, including Deferred Action for Childhood Arrivals recipients, are eligible for employment unless prohibited by other state or federal law.

Two years of experience as a Commercial Vehicle Enforcement Officer 1.


Three years of experience enforcing rules and regulations relating to weight, license, equipment and other requirements on commercial vehicles, and/or conducting audits or investigations of transportation related matters.

A valid driver’s license is required.

Equivalent education/experience.

Shadow class adopted June 23, 2025; effective July 1, 2025.