Alberta Basic Security Training (ABST) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What is indicated by two short blasts with a whistle when directing traffic?

A signal for vehicles to stop

A signal for drivers or pedestrians to proceed

Two short blasts with a whistle when directing traffic are typically recognized as a signal for drivers or pedestrians to proceed. This signaling is crucial for managing the flow of traffic safely and efficiently. It communicates to those on the road that they can move forward, which helps maintain order in busy or potentially chaotic environments. The use of whistles and specific blast patterns is a standard practice among traffic controllers and law enforcement officers to ensure that their instructions are clear and easily understood by all road users.

In contrast, other signals may involve different patterns or possibly the use of hand gestures to indicate halting or warnings. The context of the situation and the established signaling protocols inform how these signals are interpreted by drivers and pedestrians alike.

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A warning for oncoming traffic

A call for emergency services

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