B&O/C&O 1969 Operating Rules - Rule B-288 - Slow Approach
Rule B-288.
NAME-SLOW APPROACH
INDICATION-SLOW SPEED THROUGH CROSSOVERS, TURNOUTS, SIDINGS,
INTERLOCKING LIMITS, AND OVER POWER SWITCHES; THEN PROCEED
AT NOT EXCEEDING MEDIUM SPEED PREPARED TO STOP
AT NEXT SIGNAL