When it snows, people can check TV for school closings. But what about delays in trash pickups and parking bans? That’s what the mayor wondered, and that’s why she set up a city telephone information line. “I saw the need because we don’t have a local radio station anymore,” Mayor Linda M. Balzotti said. New owners shut down WXBR (1410 AM) on Aug. 3 to install a new transmitter, but technical troubles have kept the former WBET off the air. In the meantime, residents wanting up-to-date city information can call 508-897-1398, available 24 hours a day. Messages will be in English; expansion to Spanish, Portuguese, and Haitian Creole messages may be added as the city tweaks the service, the mayor said.