Old Saybrook is a regional rail station located in Old Saybrook, Connecticut. It is served by both Amtrak Northeast Regional intercity trains and Shore Line East commuter service.ServiceLocated on the Northeast Corridor, the busiest passenger railway in the United States, Old Saybrook station serves some of the rail services that pass through the station. Most trains on Amtrak's Northeast Regional train line stop at Old Saybrook. No high-speed Acela Express trains serve the station but some stop at the following southbound and northbound stations, New Haven and New London, respectively. However, all Shore Line East commuter rail trains stop at Old Saybrook; it serves as the eastern terminus for some trains. (New London is the eastern terminus of the line, with approximately half terminating there.)Old Saybrook features a common track setup, with one island platform and one side platform. Unlike the two-track commuter-rail-only stations on the 81.6 km (50.7 mile) stretch of the Northeast Corridor between New Haven and New London, there are three tracks at Old Saybrook, in order to handle terminal trains on Shore Line East.