18. Prepare to Stop at Railway Crossing Sign

18.1  The Prepare to Stop at Railway Crossing sign must be as shown in A3.6.6 of the Manual of Uniform Traffic Control Devices for Canada (cited in Part A), must meet the applicable specifications in article A1.6 of that Manual, and must operate:

  1. in advance of the activation of the light units of the warning system and:
  2. during the time of the operation of the light units of the warning system.

18.2  The advance activation time must be the greater of the time it takes a vehicle travelling at the road crossing design speed to pass a deactivated Prepare to Stop at Railway Crossing sign and the vehicle to:

  1. clear the grade crossing before the arrival of railway equipment at the crossing surface where there is a warning system without gates; or
  2. clear the grade crossing before the gate arms start to descend where there is a warning system with gates.

18.3  Where a Prepare to Stop at Railway Crossing sign is installed, 4 hours continuous battery back-up power must be provided for the Prepare to Stop at Railway Crossing signs.

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