Starting today, the state Department of Transportation and Metro North will replace two grade crossings on the Danbury Branch. There is now a detour in place at East Liberty Street. Work is expected to last through Wednesday. In Danbury, both sides of the street require excavation and the entire crossing will be replaced.
Work will start next Friday at the South Street crossing in Bethel.
Officials say the work may identify contributing factors to the new technology that's caused gates and lights to activate when no trains are in the area. Trains are now operating with a so-called Stop And Warn procedure, where the train stops before each crossing to make sure the gates and working.