Estuary Transit District, doing business as 9 Town Transit, is the public transit provider for Connecticut River Estuary region. ETD provides public transit bus service through its 9 Town Transit service to the towns of Chester, Clinton, Deep River, Essex, East Haddam, Haddam, Killingworth, Lyme, Old Lyme, Old Saybrook, and Westbrook, Connecticut. Services are provided to the general public, with no age or disability restrictions.