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Organized for Success: Geospatial Project Management on Chicago's Red Line

The Chicago Transit Authority's (CTA) Red Line is Chicago's busiest rail line with an average weekday ridership exceeding 250,000. It's a vital artery of the city, and runs 24 hours a day, 365 days a year—ideally, the Red Line should never shut down. So the CTA's recent rehabilitation of 10.5 miles of the Red Line was a major logistical challenge, especially since this particular stretch runs along the Dan Ryan Expressway and has a very narrow right-of-way.

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