This video was taken from Toyoko Inn Takanawa-guchi (13th floor or so). The windows faces the busy Shinagawa Station. 5 commuter lines, operated by Keikyu and JR East, stops at Shinagawa. The Shinkansen (bullet train) Tokaido Line, operated by JR Central, also makes a stop here.

A major stop along the Yamanote Loop, Shinagawa Station is considered the southern entrance into Central Tokyo. More than 900,000 rides are made through Shinagawa on a daily basis. (less info)