Drivable

Safe and suitable for travel by car or another road vehicle.

Reach for it when describing a route or surface that vehicles can use successfully

By sunrise, crews had made the clinic road drivable again.

• everyday

  accessible

  when people can reach a place by the relevant route

  not when Accessible can concern walking, disability access, price, or information; it is not road-specific.

• professional

  navigable

  when a route can be followed without becoming blocked or lost

  not when Navigable also applies to waterways and information, so it is less precise about road vehicles.

• professional

  passable

  when a route can be crossed despite damage or poor conditions

  not when Passable may allow difficult progress and does not promise safe or comfortable driving.

• formal

  motorable

  when a route specifically permits travel by motor vehicle

  not when Motorable is uncommon in everyday English and can sound bureaucratic.

• formal

  traversable

  when some means of crossing the terrain is possible

  not when Traversable may mean passable on foot and says nothing about vehicle safety.

• undrivable
• impassable
• blocked

• drivable road

  The survey marked every drivable road leading to the evacuation center.

• remain drivable

  Crews salted the bridge so it would remain drivable overnight.

• barely drivable

  The track was barely drivable after the second day of rain.

English has few exact single-word alternatives for a road that is safe and suitable for driving.