Special Control System (SCS) Rules
On portions of the railway so specified by special instructions, the use of the main track will be governed by the Special Control System.
Movements and track work protection will, unless otherwise provided, be supervised by the RTC who will issue instructions as may be required.
353. SCS Special Instructions
Special instructions necessary to govern this method of operation will be issued. Except as affected by such instructions and Rules 351 and 352, all Operating Rules remain in force.