Motor Truck Cargo Insurance
If you’re hauling someone else’s materials — even dirt — you’re legally responsible if something goes wrong with the load. Cargo insurance covers that liability. Coast has insured haulers of aggregate, fill, and construction materials since 1976.
- Same-day certificates, most within 2 hours
- Salaried, non-commissioned agents
- No broker fees
This page provides general information only and is not a quote, binder, or offer of coverage. Talk to a licensed agent about your specific situation.
What is motor truck cargo insurance?
Motor truck cargo insurance covers your legal liability for the customer’s materials while they’re in your possession — from loading through delivery. Operators hauling dirt, gravel, and construction materials often assume the exposure is minimal, but cargo claims can be substantial and completely unexpected: demolition debris that turns out to contain asbestos, fill dirt with hidden petroleum contamination, materials stolen off a parked truck, or a load contaminated during handling.
When contamination surfaces at a disposal facility or a customer rejects a ruined load, the testing, cleanup, and replacement costs regularly exceed the value of the materials many times over — and without cargo coverage, that bill is yours. One caution built from experience: some cargo policies exclude pollution unless specifically endorsed, and that gap matters enormously in this line of work. Coast checks it on every quote.
Where cargo claims actually come from
Hidden contamination
Demolition debris with asbestos or lead paint, soil with fuel or chemical history, “clean” fill that fails testing — you’re liable when it’s discovered in your load.
Cross-contamination
Hydraulic fluid leaking into clean sand, or material types mixing in the bed, can make a whole load unusable — and you owe replacement.
Theft and disappearance
Materials vanish from trucks parked overnight or at unsecured job sites — even fill dirt gets stolen in high-development areas. Partial theft is harder to prove but still your liability.
Loading and unloading damage
Physical damage or contamination during handling at quarries, plants, and job sites — the highest-frequency window for cargo claims.
Hot and specialty materials
Hot mix asphalt has temperature and handling specs; concrete products and landscaping materials can be ruined by weather or handling before delivery.
Regulatory fallout
When materials fail specifications or contain prohibited substances, testing, specialized disposal, and cleanup requirements can dwarf the load’s value.
When cargo coverage is required
Public works and government contracts
Government contracts almost always require cargo coverage, often at specified minimums, before you can bid — accountability for public materials is non-negotiable.
Construction and commercial customers
Private customers increasingly require cargo insurance, especially where valuable materials or environmental concerns are involved. Your certificate of insurance proves the coverage and protects their interests while materials are in your hands.
Match limits to what you haul
$100,000 handles most routine aggregate and fill operations; $250,000 fits more valuable materials or elevated environmental risk; $500,000+ comes into play for high-value loads or when contracts demand it.
Structure the policy to your cash flow
Deductibles in the low thousands are the common choice, balancing premium against out-of-pocket cost per claim. Per-occurrence versus aggregate deductible structures change how costs stack across multiple claims — worth understanding before you choose.
What determines your cargo premium
Cargo pricing follows the materials and the risk around them — a contamination-exposed fill hauler and a palletized-freight operation aren’t priced alike. Here’s what moves the number; quoting your actual loads typically produces an initial figure within a day.
Standard construction aggregates price lower than environmentally sensitive or high-value materials; clean loss history and higher deductibles work in your favor.
Start your cargo quote
Tell us what you haul, where, and what your contracts require.
Exclusions and limitations to check before you need them
Cargo policies vary more than most coverages, and the exclusions are where operators get surprised. The ones that matter most in aggregate and construction hauling: unattended vehicle exclusions (coverage can lapse when the truck sits unattended beyond a set period — a direct issue for overnight parking), mysterious disappearance (excluded on some policies unless endorsed), storage limitations (transport is covered; extended storage on the truck typically isn’t), and pollution exclusions (critical when your loads can carry contamination — an endorsement can close it).
Standard cargo policies also exclude or restrict live animals, perishables, hazardous materials, and high-value goods like electronics — those need specialized coverage structures. And check territory: coverage should match everywhere you actually haul, including cross-border and multi-state routes. Coast reviews these gaps on every cargo quote so the policy matches your real operation, not a generic one.
Hauling operations that need cargo coverage
Related truck insurance coverages
Motor truck cargo insurance FAQs
I only haul dirt and gravel — do I really need cargo insurance?
Yes, more than most realize. Low material value doesn’t mean low exposure: contamination discovered in a load, cleanup requirements, theft, and rejected loads create liability far beyond what the dirt itself is worth — and many contracts require the coverage regardless.
How much cargo coverage do I need?
$100,000 covers most routine aggregate and fill operations. Higher-value materials, environmental risk, or contract requirements push operations to $250,000 or $500,000+. Your contracts are the floor; your realistic worst load is the real guide.
Does cargo insurance cover contamination and cleanup?
It can — but pollution exclusions are common unless specifically endorsed, and this is the single most important gap to check in aggregate hauling. Ask exactly how your policy treats contamination before you need the answer.
Is my load covered if it's stolen overnight?
It depends on your policy’s unattended-vehicle and theft provisions. Some policies restrict coverage when the truck is parked unattended or exclude mysterious disappearance without an endorsement — another gap worth closing up front.
What does cargo insurance not cover?
Your truck and trailer (physical damage), injuries or property damage to others (liability coverages), gradual deterioration of materials, and typically live animals, perishables, hazmat, and high-value specialty goods without specialized coverage.
Reviewed by Scott W. Powers, Licensed Insurance Agent (NPN 9719382). Last reviewed August 2026.
Get your motor truck cargo quote today
Tell us what you actually haul and we’ll build the cargo coverage around it — no packaged guesswork, no hard sell. Family-owned since 1976, licensed in 35 states, salaried non-commissioned agents, no broker fees. (800) 348-0017 · quote@coasttransport.com.