roadkilled

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective roadkilled is

killed by a road vehicle (used of animals).

As a noun vehicle

is a conveyance; a device for carrying or transporting substances, objects or individuals.

As an adjective roadkilled is

killed by a road vehicle (used of animals).

As a noun road

is (obsolete) the act of riding on horseback.

As an adjective roadkilled is

killed by a road vehicle (used of animals).