Union members say workers were forced to put trains into service before track-work was complete.
The exercise will take place late Saturday night near the baggage claim area. Airport operations will continue as usual.
Due to SafeTrack work, trains won't run extra early this year, and as usual, many streets will be closed from early morning until midafternoon.
“This could have been a tragedy,” said Robert Lauby of the Federal Railroad Administration.
Dluger replaces Sean Thompson, who leaves the job after a year to enter the private sector.
The crash involved a motorcycle.
Blake Lane in Oakton is closed in both directions because a power pole is in the roadway.
A Toronto cyclist says the noodle contraption helps him stake his legal space to the road.
Five people were taken to the hospital for smoke-related injuries, though none were life-threatening.
New report looks at the collective impact of continuing transit delays.