The southbound lanes of the Red Hill Valley Parkway will be closed on Sunday night between Barton Street and Mud Street.
The closure will begin at 5 p.m. on Sunday and is expected to wrap up before 6 a.m. on Monday.
The closure, weather permitting, will allow city crews to take samples of the asphalt, which will be tested for its recycling potential when the parkway is resurfaced in 2019.
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Rolling lane closures are also continuing during overnight hours to allow for installation of reflective pavement markers or “cat’s eyes” on the Red Hill between Greenhill and Dartnall.