I-495 at Edgemoor exit partially closed after crash involving Delaware State Police trooper Isabel Hughes, Delaware News Journal Delaware State Police trooper, another driver crash on I-495 Replay Video UP NEXT Two left lanes of Interstate 495 north near the exit to Edgemoor were closed for several hours Monday afternoon following a crash involving a Delaware State Police trooper. The Delaware Department of Transportation tweeted an alert just after 2 p.m. Monday about the closure. At about 4 p.m., the agency said the wreck had been cleared. Photos from the scene showed a patrol vehicle crashed into the I-495 divider and significant damage to the front of another car.