[gallery ids="290260"] According to the Houston TranStar database, the southbound outside lane of Hwy. 249 between Sentinel Oaks and Zion Road is closed nightly from 6:30 p.m. to 5 a.m. Thursday, Nov. 30, to Friday, Dec. 1. Drivers may see delays in Tomball as a result of the lane closure. As of Wednesday evening, Nov. 29, no additional lane closures along Hwy. 249 have been announced.