 Both directions between Spout Run Parkway and Lee Highway in Maryland were closed due to an accident investigation. In Gaithersburg on Frederick Road northbound at Professional Drive, we're told this will be in place until at least 5 a.m. An accident in Gaithersburg on Woodfield Road at Woodfield School Road. Slow traffic in Jessup on the BW Parkway southbound between 175 and 198 has finally eased.