Amy Freedman, wtop.com
WASHINGTON - Through Friday, July 14, the Dulles Corridor Metrorail Project will close I-66 between Route 267 and Route 7 nightly between 11 p.m. and 5 a.m.
Police will be on-site to help facilitate the closure and detour.
Follow WTOP on Twitter.
(Copyright 2012 by WTOP. All Rights Reserved.)