 outer loop traffic is slow from four fifty past the bw parkway and at a greenbelt before route one college park debris remains on the left side state police also went for one broken down in that same area on the outer loop and northbound the bw parkway traffic backed up in greenbelt because of the work zone near the nasa goddard employees only exit only one left lane is getting by that was for the inspection of a bridge strike that happened a couple of years ago on the george washington parkway