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A USDOT number identifies a carrier for FMCSA safety oversight. It is generally required when a business operates a commercial motor vehicle in interstate commerce, including vehicles rated at 10,001 pounds or more, vehicles designed or used to carry 9 to 15 passengers for compensation, vehicles designed or used to carry 16 or more passengers, and vehicles carrying placarded hazardous materials. MC operating authority is separate and is generally required for for-hire interstate passenger transportation and for-hire transportation of federally regulated property unless an exemption applies. Some states also require USDOT numbers for intrastate operations.

Read the complete LBC answerFMCSA: USDOT number requirementsApply for a DOT and MC number

For-hire passenger carriers operating in interstate or foreign commerce generally need at least $1.5 million in public liability coverage when the largest vehicle is designed to carry 15 or fewer passengers, including the driver. The minimum is generally $5 million when any vehicle is designed to carry 16 or more. The limit is based on designed seating capacity, not the number of passengers riding at a particular time. Property and hazardous-material carriers follow different schedules under 49 CFR Part 387. Exemptions and state requirements can change the result, so confirm the operation and filing requirements before placing a vehicle in service.

Read the complete LBC answerFMCSA: passenger carrier insurance

Register the employer in the FMCSA Drug and Alcohol Clearinghouse, purchase a query plan, and identify the driver. A full query is required before a CDL driver performs a safety-sensitive function for a new employer and requires the driver's electronic consent in the Clearinghouse. A limited query can satisfy the annual query requirement and uses written consent obtained outside the Clearinghouse. If a limited query shows that information exists, the employer must follow with a full query. Employers must query every covered driver at least once during each rolling 12-month period and retain the required query and consent records.

Read the complete LBC answerFMCSA Clearinghouse query plansDrug testing support

A DOT-regulated post-accident test is required only for drivers covered by 49 CFR Part 382 and only when the federal criteria are met. Testing is required after a human fatality. For an injury requiring immediate treatment away from the scene or disabling damage requiring a tow, testing is required when the CMV driver receives a moving-violation citation within the applicable time window. Alcohol testing should occur as soon as possible and cannot be conducted after 8 hours. Controlled-substance testing cannot be conducted after 32 hours. A state rule or company policy may require separate non-DOT testing even when the federal criteria are not met.

Read the complete LBC answerFMCSA: when testing is required

Include every driver who operates a vehicle that requires a CDL under federal rules on a public road. That includes full-time, part-time, intermittent, backup, leased, and owner-operator drivers. A driver cannot be left out simply because driving is not the person's primary job. Non-CDL drivers generally do not belong in an FMCSA Part 382 random pool. If the company tests non-CDL drivers under state law or company policy, keep that testing in a separate non-DOT program. The pool and driver list should be reconciled whenever drivers are hired, leave, change duties, or stop performing safety-sensitive work.

Read the complete LBC answerFMCSA: who is testedDrug testing program management

The short-haul exception is recordkeeping relief, not an exemption from Hours of Service limits. A qualifying driver must operate within a 150 air-mile radius, return to the same work-reporting location, and be released within 14 consecutive hours. The carrier must maintain accurate start, end, and total-hours records. Passenger-carrying drivers remain subject to their driving and on-duty limits. Traditional logs or an ELD are usually the safer choice when routes or schedules regularly exceed the short-haul boundaries, dispatch needs better visibility, or the company cannot consistently document every required time record.

Passenger carrier HOS & ELD supportRead the complete LBC answerFMCSA: Hours of Service

They can. CDL status does not determine whether Hours of Service rules apply. A non-CDL driver may still operate a commercial motor vehicle in interstate commerce, including a vehicle rated at 10,001 pounds or more or a vehicle designed or used to carry 9 or more passengers, including the driver, for compensation. When Part 395 applies, the carrier must document the driver's hours through qualifying short-haul time records, records of duty status, or an ELD when required. Classify the vehicle and operation first, then choose the correct recordkeeping method.

Read the complete LBC answerFMCSA: who must comply with HOS

A motor carrier must maintain a driver qualification file for each driver it employs who is subject to 49 CFR Part 391. In interstate commerce, that can include drivers of vehicles rated at 10,001 pounds or more, for-hire passenger vehicles designed or used to carry 9 or more people including the driver, vehicles carrying 16 or more people, and vehicles carrying placarded hazardous materials. A DQ file generally includes the employment application, motor vehicle record inquiries, road-test documentation or an accepted equivalent, medical qualification records when applicable, and annual driving-record review documents. Specific exceptions can apply, so classify the operation before building the file.

Read the complete LBC answerFMCSA Safety Planner: DQ filesDQ file management

Run the qualification steps in parallel with one controlled checklist. Collect the signed DOT application and releases immediately, then start motor vehicle record and prior-employer inquiries while verifying the license, medical certification, and driving qualifications. For a CDL position, complete the pre-employment Clearinghouse full query and receive a negative pre-employment drug-test result before the driver performs a safety-sensitive function. Schedule any required road test early and do not dispatch the driver until the required pre-hire items are complete. A digital workflow is faster because missing documents, consent requests, and follow-ups stay visible to the entire hiring team.

Read the complete LBC answerFMCSA Safety Planner: hiring recordsDQ file software

Under federal rules, a CDL is generally required when a vehicle has a GVWR or GVW of 26,001 pounds or more, is designed to transport 16 or more passengers including the driver, or transports hazardous materials requiring placards. A 9-to-15-passenger van may therefore be a federally regulated commercial motor vehicle even when a federal CDL is not required. Its drivers may still be subject to driver qualification, Hours of Service, inspection, and maintenance requirements. State licensing rules can be stricter, so check the vehicle's original designed capacity, weight rating, use, and every state in which it operates.

Read the complete LBC answerFMCSA passenger carrier guidance

An interstate for-hire operator using a vehicle designed or used to carry 9 to 15 people, including the driver, will generally need a USDOT number, FMCSA operating authority unless an exemption applies, required financial responsibility, driver qualification files, Hours of Service records, and a systematic inspection and maintenance program. Federal Part 382 drug and alcohol testing applies when the driver operates a vehicle that requires a CDL. Airport and port transportation can be interstate commerce even when the vehicle never crosses a state line. Commercial-zone, taxi, airport, and other exceptions are fact-specific, so review the exact service model instead of classifying the company by vehicle name alone.

Read the complete LBC answerFMCSA passenger carrier guidanceDOT compliance software

Usually not. FMCSA interprets "designed to transport" as the vehicle's original design. Removing some seats does not change the design capacity while the vehicle continues to transport passengers. If every passenger seat is removed and the vehicle is genuinely converted to carry cargo, the CDL passenger-capacity classification may change, but the vehicle may still require a CDL because of its weight or hazardous-material use. No passengers may be carried in that cargo conversion. Insurance requirements also use designed seating capacity. Confirm manufacturer certification, state vehicle rules, registration, and insurance before relying on a seating modification.

Read the complete LBC answerFMCSA: removing passenger seats