Which of the following factors is NOT mentioned as influencing traffic control strategies?

The correct answer highlights that the number of pedestrians is not typically cited as a direct influencer of traffic control strategies in comparison to the other factors listed. Traffic control strategies are primarily designed to manage vehicular flow and safety, which are significantly affected by congestion, the time of day, and traffic speed.

Congestion affects traffic control strategies because it necessitates the implementation of measures to alleviate slow-moving traffic or bottlenecks. Similarly, the time of day can greatly influence peak traffic patterns, prompting changes in signal timings and road usage. Traffic speed is crucial since varying speeds can lead to increased risk of accidents, and control strategies must be adjusted accordingly to maintain safe conditions.

While the presence of pedestrians certainly plays a role in overall traffic safety considerations, it is generally not a primary factor when developing broad traffic control strategies, which focus more on vehicle interactions and road usage patterns. This context helps clarify why the number of pedestrians stands out as the factor that is not emphasized in influencing traffic control strategies.