drivable

adjective2

1. •
   Capable of being driven (as a vehicle).

   • In those days, high school boys would get their hands on old 1936 to 1938 cars, A-Models with a rumble seat and fix them up until they were in a drivable condition. — 2011
2. •
   Capable of being driven on safely or successfully (as a road or other surface).