Evaluation of In-pavement Runway Guard Lights

The following FAA Technical Note describes the evaluation of in-pavement runway guard lights, which are a series of alternate-flashing yellow, unidirectional in-pavement lighting fixtures equally spaced along a runway holding position marking that are only visible to aircraft approaching the hold position from the taxiway side of the fixture.

DOT/FAA/AR-TN04/49
Author: James W. Patterson, Jr.