Which of the following is an example of a scenario where a hasty vehicle checkpoint might be used?

A hasty vehicle checkpoint is typically established in response to immediate threats or suspicious activities that require quick action to gather intelligence or prevent potential harm. In scenarios where there is a need to respond to enemy movement, setting up a hasty vehicle checkpoint allows forces to control the traffic in the area, monitor for any suspicious activity, and possibly intercept the enemy before they can execute their plans.

The urgency and necessity for rapid action in response to a patrol reporting enemy movement create an environment where a hasty checkpoint is advantageous for maintaining security and gathering valuable information without delay. This proactive measure enhances situational awareness and tactical advantage, making it the most fitting scenario among the choices provided.