wheel stop; parking block; parking curb
A low barrier in a parking space to prevent a car from rolling forward too far.
The tire hit the parking block.
buffer stop; bumper; bumping post
A device at the end of a railway track to stop trains. Domain: railway.
A buffer stop is installed at the end of the track.
wheel chock
A wedge placed against a wheel to prevent a vehicle from rolling, often used during maintenance or on slopes.
Please chock the wheels while servicing the truck.
bollard; vehicle barrier
A sturdy post or barrier to block vehicle entry, often seen at storefronts or pedestrian zones.
There are bollards at the entrance to the sidewalk.