Is It Safe for Dogs to Ride in the Trunk of an SUV?

The short answer: no — not without a barrier or a secured crate. Here is exactly why, and what to do instead.

The Problem With an Unsecured Cargo Area

Many dog owners assume the cargo area of an SUV is a safe, contained space for their dog. The dog has room to lie down, can’t jump into the front seat, and seems comfortable. On a calm drive, this is mostly true.

The risk is what happens in a sudden stop or collision.

In a 35 mph crash, an unrestrained dog in the cargo area becomes a projectile. A 70-pound Labrador hits with approximately 4,900 pounds of force at highway speed — aimed directly at the rear passenger seats. This is dangerous for the dog and for anyone sitting in the back.

Even without a collision: emergency braking can throw a dog into the rear seats or windows hard enough to cause serious injury. This is not a theoretical risk. Emergency veterinarians treat these injuries regularly.

The Two Safe Options for Cargo-Area Travel

Option 1: A Cargo Barrier

A cargo barrier mounts between the cargo zone and the rear passenger seats. In a sudden stop, it prevents the dog from flying into the passenger compartment. It also prevents the dog from jumping forward while the car is moving — a common cause of driver distraction in SUVs.

Barriers are typically metal wire, solid metal, or adjustable bars. They mount via spring tension (no drilling) in most vehicles and install in under five minutes.

This is the most practical solution for most SUV owners. It gives the dog room to stand, turn, and lie down — while containing them where they belong.

Option 2: A Secured Travel Crate

A hard-sided travel crate anchored to the cargo floor with load straps offers the highest protection in a severe collision. The crate absorbs and redirects impact forces in a way a barrier alone cannot.

The trade-off: it requires cargo space dedicated to the crate, the dog needs to be crate-trained, and installation takes longer than a barrier.

Best for: large or anxious dogs, frequent highway travelers, or owners with SUVs that have anchor points already installed.

What About Seat Belt Tethers in the Cargo Area?

Some owners attach a seat belt tether to a harness and clip it to the cargo area tie-down hooks. This can work, but only if:

• The tether attaches to a crash-tested back-clip harness (not a collar)
• The tie-down hooks are rated for the load (check your vehicle manual)
• The tether is short enough to prevent the dog from reaching the seat backs

This solution is better than nothing, but less reliable than a dedicated barrier or crate. Cargo tie-down hooks are designed for luggage loads, not for the dynamic forces generated in a vehicle crash with a living animal.

Is It Legal?

In the United States, laws on transporting dogs in vehicles vary by state. Several states have enacted or are actively considering laws requiring that dogs be restrained while in a moving vehicle. Even where no specific law exists, general animal cruelty statutes can apply if a dog is injured due to unsecured transport.

Beyond legality: in most states, if an unrestrained dog contributes to an accident, it can affect your insurance claim.

The Practical Bottom Line

If your dog rides in the cargo area of your SUV:

• Install a cargo barrier — it’s inexpensive, takes five minutes, and makes a genuine difference in a sudden stop
• Add a padded cargo liner so the dog has a comfortable, non-slip surface
• For maximum safety on long trips, use a secured hard-sided crate

The cargo area without any containment is not a safe space for a dog in a moving vehicle. With a barrier or a crate, it becomes one of the most comfortable options available — plenty of room, familiar smells, a dedicated space that’s theirs.

See our full selection of dog cargo barriers and SUV safety gear — all with fast 3–8 day US shipping.

Shop Dog Car Gear

If your dog rides in the trunk, protect the space and your dog with our Waterproof Dog Cargo Liner — waterproof, non-slip surface with raised edges to contain mess. See the cargo liner →