Rule 610 — Remotely-Controlled Interlocking Signal Indicating Stop

1. (a)A movement must have authority to pass a remotely-controlled interlocking signal indicating Stop. The signalman may authorize the movement to pass the signal but before doing so must ensure that there is no conflicting movement in the route to be used, and that all devices controlling signals governing conflicting movements are blocked at Stop. The authorization must specify the route to be used, and must be in writing.
2. (b)The movement so authorized need not stop at the signal but must positively identify the signal by number. It must move at RESTRICTED speed to the next signal or Block End sign and will be governed by Rule 104.1 at spring switches, Rule 104.2 at dual control switches and Rule 104.3 at power-operated switches. If there is a railway crossing at grade equipped with a box marked “switches” within the interlocking, the provisions of Rule 611 apply.
3. (c)The locomotive engineer must be made aware of the route to be used before moving.

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