It is also one of the most secure locations on the planet. It is a United States military base (a detachment from Edwards Air Force Base in CA) where no one knows whatâs occurring, except those that work there and the President.
The standard time at a crossing is 10 min., but after the 10 min. has exspired the train can move one car link forward or backwards and regain another 10 min.
The train driver must have visibility of the crossing from the Special Speed Restriction Board. The train driver must be able to see the Drivers White Light from the Special Speed Restriction Board. Trains must NOT arrive at the crossing in less than 27 seconds from the onset of the road traffic light sequence.