An alternative term for Approach ControlThe restriction of the Aspect of a Signal, to ensure that the driver can comply with the Turnout Speed, or to control the speed of a train for a Warning Call-On...
The site for Miniature and model signalling!
An alternative term for Approach ControlThe restriction of the Aspect of a Signal, to ensure that the driver can comply with the Turnout Speed, or to control the speed of a train for a Warning Call-On...