Originally Posted by
Mike6567
Retired now and have't been to JFK for about 30 years. My wife said don't they have red stop lights to prevent aircraft entering the active runway? I am sure these modern airports have this but presumably JFK does not.
In post #6, I noted that JFK has Runway Status Lights, which includes Runway Entrance Lights at J crossing 4L.
JFK also has ASDE-X.
But we don’t know (do we?) at this point if either or both systems were operational at the time of the incident.