 But either way, there's a heavy amount of traffic in both directions. So we will, as we get more information on this, we will let you know. In Maryland, an accident in Burtonsville on 29 at Greencastle Road. A crash in Urbana that has been moved to the left shoulder on 270 northbound. Between 80 and the scenic overlooks in Beltsville on the Baltimore-Washington Parkway northbound. The on-ramp from Powder Mill Road.