Chicago Transit Authority - CTA Radio Operations

CTA Radio Operations

Channel Frequency Usage
Ch. 1 472.93750 CPD Transit Detail
Ch. 2 470.98750 Rail Emergency
Ch. 3 470.53750 Supervisors - North (includes buses)
Ch. 4 470.63750 Supervisors - South (includes buses)
Ch. 5 471.03750 Blue Line Operations (Forest Park & O'Hare) & Pink Line Operations (54/Cermak & the Loop)
Ch. 6 471.06750 Green Line Operations (Harlem/Lake, East/63rd & Ashland/63rd) & Orange Line Operations (Midway & the Loop)
Ch. 7 471.08750 Brown Line Operations (Kimball & the Loop), Purple Line Operations (Linden, Howard & the Loop) & Yellow Line Operations (Skokie & Howard)
Ch. 8 471.11250 Red Line Operations (Howard & 95/Dan Ryan)
44.54000 Rail Operations

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