Trucking Regulations That Affect Your Shipment
Almost everything customers find frustrating about vehicle transport is a regulation working as intended. Delivery windows rather than times, a driver who stops forty miles short, a carrier who will not take a load below a certain rate: each of those traces back to a federal rule. Knowing which rules apply makes the process predictable rather than arbitrary.
Hours of Service Decide Your Delivery Window
This is the rule with the biggest effect on transit time, and the one almost no customer knows about.
A property-carrying commercial driver may drive up to 11 hours after 10 consecutive hours off duty, within a 14 hour on-duty window that does not pause for breaks. A 30 minute break is required after 8 hours of driving. On top of that sits a weekly limit of 60 hours in 7 days or 70 in 8, which resets only after 34 consecutive hours off.
Since electronic logging devices replaced paper logbooks, those hours are recorded automatically and cannot be adjusted afterward. The practical consequence is simple: a driver who runs out of hours near your address stops for the night. It is not a lack of effort and it is not negotiable.
That is why a reputable carrier gives you a delivery window rather than a time, and why anybody promising a guaranteed hour on a long lane is either adding a premium for a dedicated truck or is not being straight with you.
Operating Authority: The Five Minute Check
Every interstate carrier and broker must be registered with the Federal Motor Carrier Safety Administration and hold active operating authority.
Carriers hold a USDOT number. Brokers hold both a USDOT number and an MC number, and must carry a surety bond, currently set at 75,000 dollars, which exists to protect customers and carriers if the broker fails to pay.
All of this is publicly searchable. Ask for the number rather than the company name, since names change and numbers do not, then confirm the authority is active rather than pending or revoked, and that the insurance on file matches what you were told. Our guide to FMCSA and USDOT numbers explains how to read the record.
Insurance Minimums, and Why They Are Not Enough
Federal law sets a minimum liability figure for interstate motor carriers, and the important thing to understand is what it does not cover.
Liability insurance covers damage the truck does to other people and property. Cargo insurance is what covers the vehicle riding on the trailer, and it is a separate policy with its own per-vehicle limit. A carrier can be fully compliant on liability and carry cargo cover well below what your car is worth.
So the question to ask is not whether they are insured, it is what the cargo policy’s per-vehicle limit is. Ask for the certificate. For an ordinary car the limit is never binding; for anything valuable it frequently is, and the gap should be closed before the vehicle moves.
Size and Weight Limits Explain the Trailer
Federal limits on the Interstate system are 80,000 pounds gross, 13 feet 6 inches tall and 8 feet 6 inches wide, with axle limits underneath those figures.
A loaded car hauler is right up against the height and weight limits, which is why the number of vehicles it can take depends on what those vehicles are. Heavy trucks and SUVs take more of the allowance than sedans, and a lifted vehicle may not fit the upper deck at all. That is the mechanism behind a quote that changes when you describe the vehicle accurately.
Anything past those limits is oversize or overweight and needs state-issued permits, defined routes, daylight-only movement and sometimes escorts. That applies to heavy equipment rather than cars, but it is the reason a machinery move is quoted so differently.
Broker or Carrier, and Why It Matters Legally
Most people booking vehicle transport are talking to a broker, and that is normal rather than a problem, but the legal relationship is worth understanding.
A carrier owns trucks and moves the vehicle. A broker arranges the move with a carrier and is regulated separately, which is why brokers need an MC number and a surety bond that carriers do not. A broker’s value is access: they work a network of carriers and can cover routes and dates no single fleet could.
What you should expect from either is the same. A written quote that states what is included, the name and USDOT number of the carrier actually assigned once it is booked, and a copy of the cargo insurance certificate on request. A company that will not name the carrier before pickup, or that takes a large deposit before a truck is assigned, is worth stepping back from.
If something goes wrong, the claim generally sits with the carrier whose bill of lading you signed, which is another reason to know who they are before the vehicle moves rather than afterward.
Drivers, Drug Testing and Inspections
A commercial driver’s license requires testing beyond an ordinary license, a medical certificate that must be renewed, and participation in a federal drug and alcohol testing program with a national clearinghouse that prevents a driver from moving to another carrier after a violation.
Roadside inspections happen at weigh stations and in the field, covering brakes, lights, tires, securement and the driver’s logs. Serious defects put a truck or a driver out of service on the spot.
All of this is why a carrier’s safety record is worth looking at. It is public, it is specific, and a pattern of out-of-service violations tells you something a review page cannot.
What Changes and What Does Not
Specific figures in these rules get adjusted. Bond amounts, insurance minimums, break requirements and enforcement priorities have all moved in recent years and will move again, and there is usually a proposal in progress somewhere.
What does not change is the structure: drivers are limited in hours, carriers and brokers must hold active authority, cargo cover is separate from liability, and trucks are bound by weight and height. Confirm the current numbers rather than relying on a figure you read once, and treat anybody who tells you the rules do not apply to them as the warning it is.
Common Questions
Why is delivery a window rather than a time? Federal hours of service limit driving to 11 hours within a 14 hour window, recorded automatically. A driver out of hours stops.
How do I check a company is legitimate? Get the USDOT number, and the MC number for a broker, then confirm the authority is active and the insurance on file matches what you were told.
Is the federal insurance minimum enough for my car? That figure is liability, not cargo. Ask for the cargo policy’s per-vehicle limit, which is what actually covers your vehicle.
Why does describing my vehicle change the quote? Trailers are limited by weight and height. A heavy or lifted vehicle takes more of the allowance and displaces other loads.
Do these rules apply to a broker as well as a carrier? Yes. Brokers need authority and a surety bond. The hours and equipment rules apply to the carrier actually moving the vehicle.
Get a Quote
Call Ship A Car, Inc. at (866) 821-4555 with both zip codes and an accurate description of the vehicle, or price the move with the instant calculator.
