Central is a Purple Line station of the Chicago Transit Authority 'L' system. Located at 1024 Central Street in Evanston, Illinois, the elevated platform sits above Central Street, half a block west of Ridge Avenue. The station itself, a Beaux-Arts structure designed by noted transit architect Arthur Gerber, is on the south side of Central Street and is entered at street level, with an auxiliary exit on the north side of the street.

The Purple Line of the Chicago "L" is a 3.9-mile (6.3 km) route on the northernmost section of the system. The service normally begins from Linden in Wilmette and ends at Howard on Chicago's north border, passing through the city of Evanston.