 Deeper into Maryland on the outer loop slow riding out of Landover and from River to the Allegiant Bridge. Inner loop slow traffic from 7 up to the Spur and through Silver Spring and College Park. Baltimore-Washington Parkway northbound heavy and slow from 202 to a point before the Beltway. Single file pass to crash. Volume delays on 270 and volume delays on 50 eastbound from Parole and Annapolis toward the Bay Bridge. Two-way traffic continues there.