Sensor inputs command the in-pavement lights to illuminate red when there is traffic on or approaching the runway. Runway entrance lights (REL), one status-light component, are located on entrance ...

RWSL systems consist of two types of lights—Runway Entrance Lights (REL) and Takeoff Hold Lights (THL). They function automatically and are independent of air traffic control. RELs are installed ...

The lights tell pilots when a runway is clear ... There are other indicators, however, alerting pilots of the runway entrance and where to stop short, like the red and white "16R-34L" runway signage ...

Massport is working on mitigations for each hotspot, including relocating, adding, or eliminating certain taxiways, and adding runway entrance lights to a taxiway this summer. The intersection ...