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 | |
|---|---|
 A Orange Line train of 3200-series cars. | |
| Overview | |
| Status | Operational |
| Locale | Chicago, Illinois, United States |
| Termini | Midway The Loop |
| Stations | 16 |
| Service | |
| Type | Rapid transit |
| System | Chicago "L" |
| Operator(s) | Chicago Transit Authority |
| Rolling stock | 2600-series, 3200-series |
| Daily ridership | 63,037 (avg. weekday September 2012) |
| History | |
| Opened | October 31, 1993 |
| Technical | |
| Line length | 12.5 mi (20.1 km) |
| Character | Elevated and Surface Level |
| Track gauge | 4 ft 8 1⁄2 in (1,435 mm) |
| Minimum radius | 90 feet (27 m) |
| Electrification | Third rail, 600 V DC |
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