|
|
|
|
|
|
|
|
|
Shunt authority (sha)
|
A formal authority for a train to move outside the limits of a block location or yard for shunting.
|
|
|
Track work authority (twa), английский
A formal authority for non-exclusive occupancy of track by track workers within specified limits.
Work authority (wa), английский
A formal authority for a train to move in either direction between specified locations.
|
|
|
|
|
|
|
