 Likewise, on Little River Turnpike at Prosperity Avenue, the crash should be mostly out of the way. But in Chantilly, the gas line work goes on into the second day. On 50 eastbound at Stringfellow Road, only one left lane is getting by toward Fair Oaks on 50. At Leidos, a brilliant mind is smart, but a brilliant team is smarter. That's why they collaborate to create even smarter technology solutions and national security and health. Leidos, making smart smarter. Dave Dildine, WTOP Traffic.