Sections of SEPTA's Norristown High Speed Line and Regional Rail's Manayunk/Norristown Line will have buses shuttle passengers between stations from August until late December. • Aug. 15-Aug. 23: Shuttle buses will be used on Regional Rail's Manayunk-Norristown Line from Norristown-Elm Street Station to Norristown Transit Center. Train service will operate as normal from Norristown Transit Center to Center City. • Aug. 22-Aug. 30: Bus service will be provided between Norristown Transit Center and Gulph Mills Station. • Aug. 31-Dec. 19: Bus service will be provided between Norristown Transit Center and Bridgeport Station.