 to just west of Exit 72 in Arlington, working along the left side. And then the sound barrier work on the westbound side is east of 29-124 for Exit 72 in Arlington. You'll find the right lane and the right shoulder closed. We're not seeing any major delay. Also, Virginia 28 in both directions, north of 213 at Manassas Park, to just north of 29 for the road widening work, causing alternating mobile closures of all lanes both directions. I'm Ken Berger, WTOP Traffic.