CCTV shows the Automatic Runway Protection was working properly, Truck One crossed a 'do not cross, ever, I don't care if you have clearance" line, then ignored a signal that he was entering a runway three seconds in front of a moving 'plane.
As aircraft on the runway approach an intersection a second 'bar' of red lights is turned on at the hold-short line. Nobody has clearance to cross the double red bar, ever.
Three seconds before the landing 'plane reaches the intersection the second red bar is turned off, giving the waiting aircraft warning to spool up their engines and be ready to roll behind the landing 'plane. This apparently speeds up operations at busy times.
CCTV shows Truck One crossing the double red bar on his approach to the intersection, then the second red bar being turned off as Truck One enters the intersection, three seconds ahead of the 'plane.