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Best Dog Harness for Car Travel: Complete Safety Guide

Two dogs in a car with human seat belts on happy to be going for a sunny drive.
Best Dog Harness for Car Travel: Complete Safety Guide

What is the Best Dog Harness for Car Travel? Lets consider what makes a Dog Harness Safe for Car Travel:


Not all dog harnesses are safe for car travel. In a crash at just 40km/h (25mph), an unrestrained 23kg (50lb) dog generates approximately 900kg (2,000lbs) of force - becoming a dangerous projectile that can injure or kill passengers.

If you've read [Part 1: How to Secure Multiple Dogs When You Run Out of Seatbelts] and [Part 2: 3 Ways to Use Your Dog Leash Extender], you know the equipment matters. Now let's talk about choosing the right dog harness for car travel.


Walking Harness vs Car Safety Harness

Walking harnesses are designed for comfort and leash control during everyday activities.

Car safety harnesses must also:

  • Withstand extreme crash forces (680kg+/1,500lbs+ for a 23kg/50lb dog)

  • Distribute impact forces safely across the chest

  • Stay intact during collisions or sudden stops

  • Keep your dog securely in place without causing injury

Good news: Many quality dog harnesses can do both when properly secured with a dog car restraint so you wont need two types of dog harnesses if you purchase wisely in the first instance.


Puppy sitting in a vehicle seat with correct harness shape and adjustable car restraint for safe travel by Hendricks and Maple
All Hendricks and Maple Adjustable Dog Harnesses and Adjustable Car Restraints and 2-in-1 Dog Leash Extenders have been safety tested and pass the Australian Standards, used for car seat belt manufacture, they have 20+mm thick strapping, with reinforced stitching, strong construction with metal D rings and metal clasps. padded and lined with breathable mesh and support the chest cavity and vital organs. They are also fully adjustable at both the chest and neck points for a perfect fit. Our dog car restraints are adjustable to get the spacing and room allowed for dogs in the rear seat just right. For larger dog breeds we recommend the Adventure Dog Harnesses which are available in sizes XS-XL which will fit a 115cms chest size and they have their own dedicated car restraint for their weight.


5 Essential Features for a Safe Dog Car Harness


1. Safety Testing Standards


Look for harnesses tested to one of the recognised standards below:

  • AS/NZS standards (Australian/New Zealand Standards - what we use!)

  • FMVSS 213 (US Federal standard)

  • Centre for Pet Safety (CPS) certification (independent testing)

  • ECE R-17 and ISO27955 (European standards)

Reality check: Unlike child car seats, dog harnesses aren't legally required to meet safety standards in Australia. Our adjustable car restraints however are tested to the same Australian Safety Standards as used in car seatbelts.


Close up of a hand sewing a dog harness on a sewing machine.
Flimsy, cheap and poorly constructed or decorative novelty and fashion style dog harnesses should not be used in the car as they will not hold together in an impact. Always purchase a high quality, strong materials and reinforced, padded chest style and fully adjustable dog harness with a rear metal D ring that fits your dog well for car travel.

2. Reinforced Materials

A safe dog car harness features:

  • Heavy-duty webbing

  • Strong buckles and hardware

  • Reinforced stitching at stress points

  • Padded chest plates to distribute forces

  • Secure attachment points for car restraints


3. Proper Fit (Non-Negotiable!)

The best dog harness won't protect your dog if it doesn't fit correctly. Your harness should:

  • Be snug but not tight (fit two fingers under straps)

  • Not allow your dog to slip out

  • Distribute pressure across chest, not neck

  • Allow comfortable sitting and lying down


4. Back D-Ring for Car Attachment

For car travel, attach your car restraint to the back D-ring (between shoulder blades). This keeps your dog in a safe, upright position and provides the most secure restraint in a crash.

Front D-rings (chest) are designed for no-pull training, not car safety.


5. Quality Construction

Check for:

  • Multiple points of contact for force distribution

  • Padded chest plates protecting vital organs

  • Reinforced, bar-tacked stitching at stress points

  • Appropriate webbing width (20-38mm)

  • Adjustability for different positions


Understanding Crash Test Standards


Dog dressed as a crash test dummy in the back seat of a car looking worried.
What happens to dogs in a crash and how are dog harnesses tested to know their safety.

FMVSS 213: The Gold Standard

Most reputable manufacturers use FMVSS 213 - the same standard for child car seats.

What it involves:

  • Dynamic crash simulation at 48km/h (30mph)

  • Life-sized weighted dog dummies

  • Measurement of excursion (how far forward the dog travels)

  • Assessment of harness integrity (no breaking or tearing)

Why 48km/30mph seems slow: The test replicates hitting a brick wall. In real crashes, your car's crumple zones absorb impact, making a 48km/30mph crash test roughly equivalent to a 100km/h+ (65mph+) real-world collision.


How to Use Your Dog Harness Safely


Always Use a Dedicated Car Restraint

Never use your regular dog lead or leash. Use a proper dog car restraint that:

  • Clips securely to seatbelt or anchor point

  • Is adjustable to keep dog in back seat

  • Connects to harness back D-ring

At Hendricks and Maple, our adjustable dog car restraints work seamlessly with safety-tested dog harnesses. [Shop Dog Car Restraints in our DOG ACCESSORIES]


Back Seat Only

  • Front seats: Airbags can seriously injure or kill dogs

  • Back seats: Safest position (middle seat ideal)

  • Cargo area: Acceptable if secured, but back seat is safer


Check Fit Before Every Trip

Harnesses can loosen over time. Before each journey:

  • Ensure straps are properly adjusted

  • Check buckles are fully closed

  • Verify car restraint is securely attached

  • Confirm your dog can't slip out


Using with Dog Leash Extenders

As covered in [Part 1] and [Part 2], 2-in-1 leash extenders let you secure multiple dogs with one seatbelt. When using them:

  • Both dogs need properly fitted harnesses

  • Attach dog leash extender to car restraint

  • Keep combined weight appropriate

  • Monitor both dogs are comfortable


Labradoodle in the back of a car with an adjustable dog harness and matching adjustable dog car restraint by Hendricks and Maple
Hendricks safely buckled in his adjustable NO PULL dog harness from the WEE BIT TARTAN Dog Harness Range and matching WEE BIT TARTAN adjustable dog car restraint exclusive to Hendricks and Maple ready for adventures!

Common Questions


Q: Can I use my walking harness for car travel? A: Check manufacturer specifications. If there's no mention of crash testing or car safety standards, assume it's not suitable for car travel.


Q: Why not just use a dog collar? A: Never. In a crash, all force concentrates on your dog's neck, causing severe injury or death. Dog harnesses distribute forces safely across the chest.


Q: Do I need different dog harnesses for different dogs? A: Each dog needs their own properly fitted harness whatever design is best for their build, shape and size in alignment with the above recommendations. However, you can secure multiple dogs with one seatbelt using a 2-in-1 dog leash extender - perfect for multi-dog families!


Q: How often should I replace my dog harness? A: Replace if:

  • It's been in a crash (even minor)

  • Webbing shows wear or fraying

  • Buckles or hardware are damaged

  • Your dog has significantly changed size

  • Stitching is coming loose

Most quality harnesses last 3-5+ years with normal use.


Q: Are Hendricks and Maple dog harnesses safe for car travel? A: All our dog harnesses are safety-tested and manufactured to meet Australian safety standards. They feature reinforced materials, quality hardware, and secure attachment points and reinforced stitching. When properly fitted and used with our adjustable dog car restraints, they provide excellent protection.


Dog in the drivers seat of a car looking very worried.
Use our guide to check what types of dog harnesses are best for car safety and for your dog.

Red Flags to Avoid

✗ No mention of safety testing or standards ✗ Flimsy materials or poor quality plastic hardware ✗ Poor reviews mentioning breakage ✗ No sizing guidance or adjustability of the dog harness


Hendricks and Maple's Complete Car Safety Setup

We use our own gear every day on our own dogs - Hendricks, Maple, Olive and Hazelnut for Blue Mountains adventures.


What you need:

  1. Properly fitted dog harness ([measure correctly first!])

  2. Adjustable dog car restraint (one per seatbelt)

  3. 2-in-1 Dog Leash Extender (optional - for securing 2 dogs per seatbelt)


Our standards:

  • Safety-tested to Australian standards

  • Quality materials with reinforced stitching and metal hardware

  • Back D-ring for dog car restraint attachment

  • Versatile for walking, training, and car travel

  • Tested on our own dogs before selling


Your Dog Deserves the Best Protection

Car accidents are unpredictable. You can't control other drivers or road conditions. But you CAN control whether your dog is properly secured in a quality harness.

Whether you're running errands, heading to the vet, or planning adventures, your dog deserves to travel safely.


The investment is minimal compared to:

  • Vet bills from crash injuries

  • The heartbreak of losing a beloved pet

  • Injuries to passengers from unsecured dogs

  • Legal liability if your unsecured dog causes an accident


Two puppies securely in adjustable dog car harnesses and adjustable dog car restraints by Hendricks and Maple.
Getting the right gear from the get go and getting your puppy used to sitting on the back seat in their car restraint doesn't take long, and its a small outlay to ensure your dog is secure and safe when travelling in the car. All of our printed neoprene adjustable dog harnesses have matching adjustable dog car restraints available.

Ready to Upgrade Your Dog's Car Safety?


Shop our collection:

  • Safety-tested dog harnesses (multiple styles and sizes)

  • Adjustable dog car restraints (designed for 3 point seatbelt buckles on most Australian vehicles - note do not use if the adjustable car restraint buckle looks different to your vehicles car seatbelt buckle - it must be the same and fit a 3 point car seatbelt)

  • 2-in-1 Dog Leash Extenders (Liquorice & Latte)


More Helpful Resources


We hope this review has helped you to know the best dog harness for car travel and what to look for! Stay safe, travel smart, and give your pups an extra pat from us!

From our pack to yours, Hendricks, Maple, Olive, Hazelnut & their human


About Hendricks and Maple: Australian-owned and operated designer dog accessories based in the Blue Mountains, NSW. Everything we sell is carefully designed and curated with safety, quality, and style in mind. Named after two of our four beloved dogs, we understand multi-dog household challenges because we live them every day. [www.hendricksandmaple.com]

 
 
 

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