Hey, What's That Chalk Mark On My Tire?

It’s a tiny detail, but it’s critical to your safety (updated 4/2023) Even if you’re “not a car person” you still know wheels must stay attached to a vehicle for safe and proper function.  You probably also know they’re secured with fasteners commonly called “lug nuts”, but did you know…

Tire Marking Chalk

Crime scene chalk mark hi-res stock photography and images - Alamy

Why do my new tires have colored dots on their sidewalls?, PCA Tech tips

Here's why Toronto car owners keep finding lines of chalk drawn on their tires

Tire Marking Chalk

Inherited Brother's car with aftermarket wheels. First time chalk test to check for a proper tire pressure. Thoughts? : r/MechanicAdvice

Markings on the Side of a Tire

Parking authorities marking car tires with chalk ruled unconstitutional

Tire skid marks hi-res stock photography and images - Alamy

Chalking tires' is still allowed in Nebraska

Tire Balancing With Knowledge - NASA Speed News Magazine

Maine cities think about chalking tires after court rules it's unconstitutional

Tire pressure for the track running square set-up? - 2Addicts

The Sixth Circuit Court of Appeals: Tire “Chalking” is a Violation of the Fourth Amendment

What is this white stuff on my new tires?! - Maintenance/Repairs - Car Talk Community