0:07
Force field barrier shutting down.
0:02
Force field barrier starting up.
0:19
Force field barrier humming, loop.
0:11
Security gate - open and close with beep, distant perspective. (3)
0:10
Security gate - open and close with beep, distant perspective. (2)
0:10
Security gate - open and close with beep, distant perspective. (1)
1:48
Long countryside silence before a train passes by on a crossing by a stopped barrier.
0:14
A large, barred metallic gate opened with slight keys rattling and then closed.