MTA Bus Time

Service Alert for Route:

• B4 buses will be detoured between 77th St at Ridge Blvd and Bay Ridge Parkway at 4th Ave
  For eastbound service, use the stops on 77th St at Colonial Rd or Bay Ridge Parkway at 4th Ave.
  For westbound service, use the stops on Bay Ridge Parkway at 5th Ave or 78th St at Ridge Blvd.
  
  Buses operate via Ridge Blvd and Bay Ridge Parkway in both directions.
  See map
  
  Eastbound missed stops:
  77th St at Ridge Blvd and 3rd Ave
  4th Ave at 77th St
  
  Westbound missed stops:
  4th Ave at Bay Ridge Parkway and 77th St
  78th St at 4th Ave and 3rd Ave
  
  
  What's happening?
  Bay Ridge St Patrick's Day Parade
  
  Note: Bus arrival information may not be available/accurate while buses are detoured