London Underground at +420 V, giving a potential difference of 630 V. On the sections of line shared with mainline trains, such as the District line from East Putney to Wimbledon and Gunnersbury to Richmond, and the Bakerloo line north of Queen's Park, the centre rail is bonded to the running rails. The average speed on the Underground is 20.5 mph. Outside the tunnels of central London, many lines' trains tend to travel at over 40 mph in the suburban and countryside areas. The Metropolitan line can reach speeds of 62 mph. The London Underground was used by 1.379 billion passengers in
New Hamburg station the few in the Metro-North system to have closed and reopened; the original New Hamburg station was closed by the Penn Central Railroad in 1973 and reopened on October 17, 1981 afer the MTA took over the line. Another notable fact about the station is that the distance between it and Poughkeepsie — — is the longest such distance between stations on the Hudson Line (on any Metro-North main line, in fact) and the third-longest system-wide. This station has two high-level side platforms each six cars long. New Hamburg station The New Hamburg station is a commuter rail stop on