What wording does the employee in charge use to allow a train to proceed through form B limits?

Prepare for the CPKC Train Dispatcher Trainee Test with interactive flashcards and multiple-choice questions. Each query is complemented by hints and detailed explanations. Equip yourself for the test now!

The correct wording for allowing a train to proceed through form B limits is "May pass the red flag at MP ___ without stopping." This phrase specifically communicates to the train crew that they are authorized to move past the designated warning sign (a red flag) located at a milepost (MP). This is essential in form B situations, which typically involve limit restrictions due to track maintenance or obstructions.

Using this specific language ensures clarity and safety by indicating that while the train can proceed, there may still be caution, as the area is likely subject to work crews or other hazards. It implies that the train does not need to stop and can continue on its way, which is critical during maintenance operations where timely passage is necessary to minimize disruption.

The other options present either ambiguous or inappropriate instructions for proceeding through form B limits. For example, proceeding at restricted speed could denote caution but does not specifically address the form B stipulations, while continuing at maximum speed contradicts the safety measures usually present during such situations. The mention of a specific speed not exceeding 15 MPH suggests a speed limit but lacks the permission aspect needed to pass specific warning indicators like a red flag.

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