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My dog chases cars and trucks. How can I stop this dangerous behavior?

Updated on September 23rd, 2025

Pet's info: Dog | Australian Shepherd | Male | 1 year and 9 months old | 39 lbs

My dog wantsvto run after cars and trucks.

1 Answer

Most Helpful Answer

Jennifer Summerfield, DVM CPDT-KA

Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on February 9th, 2018

Zeke is a very handsome guy! I see that he looks like an Australian Shepherd or a Border Collie. It's very common for herding breeds to try and chase fast-moving objects like cars.

To address this problem, you will need to start with Zeke on a leash at a distance from the road. You need to be far enough away that is able to notice the cars going by without reacting - this may mean you need a *lot* of distance at first, depending on how sensitive he is. Each time a car goes by, praise and reward him with a treat for staying calm.

When he's doing well with this, you can gradually begin moving closer to the road, one step at a time. If he gets too excited and tries to chase, just move further away until he can be calm, and work your way closer again. Eventually, with practice, he should be able to stand calmly with you on the sidewalk even with cars driving by a few feet away.

It's also important to keep Zeke on-leash or in a safely enclosed area at all times, to prevent him from practicing his car chasing behavior outside of training sessions.

It can be challenging to do this on your own in some cases, so if you're still having trouble, I would recommend finding a good reward-based trainer who can work with you in person. You can search for a qualified trainer in your area here: www.ccpdt.org
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