obwodowa, okrężna droga do kołowania

A 30-foot (9m) area was cleared and leveled on either side of the perimeter track.

For 1948, it was decided to switch to the perimeter track.

Also much of the perimeter track has been reduced to a single lane road.

Long sections of the perimeter track remain, although only as a single lane agricultural road.

The lease covered only the perimeter track and other areas at specific times.

Approximately half of the land within the original perimeter track is now used for agriculture.

Instead, it stands a couple of suburban streets away from the perimeter track, complete with its house number above the door!

Two others were lost due to the construction of a new perimeter track.

A small airstrip was built on a part of the former perimeter track which is used for light aircraft.

The weapons store was unusual in that it lay within the perimeter track at the southern end.