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Orange Line (CTA)

rapid transit line in Chicago, Illinois

The Orange Line, is a rapid transit line in Chicago, Illinois run by the Chicago Transit Authority as part of the "L" system. It is about 12.5 miles (20.1 km) long and runs at grade and elevated on existing railroad embankments and new concrete and steel structures from Midway International Airport, the Southwest Side and downtown Chicago. In September 2012, the average weekday boardings on the Orange Line were 63,037. The Orange Line operates between Midway Airport and the Loop, weekdays from 4:00 a.m. to 1:25 a.m., and Saturdays and Sundays from 4:30 a.m. to 1:25 a.m.

Orange Line
Chicago Transit Authority Orange Line Train on the loop.jpg
A Orange Line train of 3200-series cars.
Overview
TypeRapid transit
SystemChicago "L"
StatusOperational
LocaleChicago, Illinois, United States
TerminiMidway
The Loop
Stations16
Daily ridership63,037
(avg. weekday September 2012)
Operation
OpenedOctober 31, 1993
Operator(s)Chicago Transit Authority
CharacterElevated and Surface Level
Rolling stock2600-series, 3200-series
Technical
Line length12.5 mi (20.1 km)
Track gauge4 ft 8 12 in (1,435 mm)
Minimum radius90 feet (27 m)
ElectrificationThird rail, 600 V DC

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