New York Tunnel Extension

The New York Tunnel Extension (also New York Improvement and Tunnel Extension) is a combination of railroad tunnels and approaches from New Jersey and Long Island to Pennsylvania Station in Midtown Manhattan.

New York Tunnel Extension
North Bergen portal of the tunnels
Overview
StatusIn operation
OwnerAmtrak
LocaleNew York City
Hudson County, New Jersey
Service
TypeHeavy rail, Commuter rail
SystemOriginally Pennsylvania Railroad
now Amtrak, New Jersey Transit, Long Island Rail Road.
History
Opened1910
Technical
Line length44 miles (71 km) (total main line trackage)
Track gauge1,435 mm (4 ft 8+12 in) standard gauge
Electrification650 V DC third rail (1910–1933). 11,000 V AC overhead lines (1933-present)
Route map

It was built by Pennsylvania Railroad (PRR) at the beginning of the 20th century to improve railroad access throughout the greater New York City area, and led to the line's then-new passenger facility, Pennsylvania Station.

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