Lechmere Viaduct - A Green Line train heads south across the Charles River from Lechmere Station in Cambridge, to the Science Museum stop in Boston. Taken from the Museum of Science park... (more)

A Green Line train enters the Lechmere Viaduct after making its Science Center stop. This old section of the onetime Boston Elevated Railway brings the tracks to the present northern end of the li... (more)

Type 8 3855 gets the clear signal to cross Carlton Street on its trip to Cleveland Circle, while cars get the green light to head up and down Beacon Street.