What is the primary focus of the infrastructure mentioned in relation to Hazlet Station?

The primary focus of the infrastructure related to Hazlet Station emphasizes high level interlocking systems. These systems are crucial in ensuring the safe and efficient movement of trains through complex rail networks. High level interlocking enhances operational safety by controlling track switches and signals, effectively managing train traffic to prevent collisions and ensure that trains can move smoothly through the station.

In the context of train operations, these interlocking systems are vital for maintaining the flow of both passenger and freight trains, allowing for timely departures and arrivals. They play a key role in the overall reliability of train services, which is especially important for a commuting area like Hazlet.

The other options, while they may be important aspects of public transit infrastructure, do not focus primarily on the operational and safety mechanisms that interlocking systems provide. Pedestrian walkways, traffic signals, and bus terminals contribute to the overall accessibility and functionality of a transit system, but they do not address the critical operational aspects that ensure trains can navigate the station safely and efficiently.