WASHINGTON – The following closures will be in effect overnight Thursday from 9:30 p.m. to 5 a.m., unless otherwise noted.

495 Express Lanes Project

• Three right lanes of I-495 south from Exit 44, Georgetown Pike (Route 193) to Old Dominion Dr. overpass will close for sign erection. Expect intermittent full road closures of up to 30 minutes after midnight.
• Three right lanes of I-495 south at Exit 49, I-66 will close for milling/paving and overhang removal.
• Two right lanes of I-66 east from Exit 62, Nutley St. to Gallows Rd. overpass will close for overhead sign work.
• Three left lanes of I-495 north at Exit 51, Gallows Rd. (Route 650) will close for joint repair.
• Two left lanes of I-495 south at Heming Ave. underpass will close for detector loop installation.

Follow WTOP on Twitter.

(Copyright 2012 by WTOP. All Rights Reserved.)