East- and westbound lanes of FM 1488 in Magnolia will be closed nightly from 9 p.m.-5 a.m. from Tuesday, Dec. 3, to Thursday, Dec. 5, between Ravenwood Drive and Buddy Riley Boulevard, according to information from the Texas State Highway 249 Extension Project team and the Houston TranStar database. Drivers can detour using FM 149 and FM 1774.