FM 55-21 - Railway Operating and Safety Rules

(2) RAIL DETECTOR 9171 (or OTHER ON-TRACK MACHINE) IN CHARGE OF (occupation) TRACK BETWEEN (station (name) ON (station or point) (CLEARS or point) A N D EXTRA 900 WEST OTHER) TRAINS MUST APPROACH AND PROCEED AT RESTRICTED SPEED WITHIN THE FOLLOWING LIMITS UNTIL (title and name) HAS REPORTED THE LIMITS C L E A R (time) U N T I L (time) B E T W E E N (station or point) AND (station or point) A N D ( t i m e ) U N T I L ( t i m e ) BETWEEN (station or point) AND (station or point) The machine named may occupy the specified track and move in either direction at restricted speed, within the specified limits, between times given, without flag protection and without the use of temporary signs prescribed by Rule 10. If the machine fails to clear the main track by the time required, it must be protected by the flagman as prescribed by the rules.

A line-up of trains expected to enter the working limits must be issued to the person in charge of the machine and the machine must give way to all trains promptly.

Trains must approach the limits specified at restricted speed. If the employee in charge has not reported the limits clear or the machine named has not been passed, movement through the limits must be made at restricted speed between the times given.

Employees must be prepared to find the machine fouling the main track without flag protection and without 127