In places it is so narrow that only a single vehicle can pass.

It was a good twenty miles, but he did not encounter a single other vehicle.

The targets are to be calculated based on the average weight of a single vehicle per year.

You might struggle to get a single vehicle for the entire journey.

Not a single vehicle moved on the road, nor a footstep.

An escort can range widely in size, beginning with a single vehicle.

The southern fence is just wide enough for a single vehicle.

They also want a single vehicle to play the role of many.

A single vehicle was used to test a new type of transmission.

Each single vehicle was both a source and a recipient of information.