The station is located between Washington and Madison Streets and is constructed of steel and concrete, with wooden platforms. A large mezzanine is accessible by stairs just south of Washington on either side of Wells, and the station is also accessible via elevators. Just past several turnstiles are stairwells leading to the platform level; the easternmost stairs go to the Inner Loop platform while the westernmost go to the Outer Loop platform. Both platforms are also serviced by elevators. It is possible to go from one platform to the other without leaving the paid area, making Washington/Wells a transfer station. The platforms are from Washington to Madison; the platforms continues over Madison Street. There are auxiliary exits on both ends of both platforms to the east sides of Washington and Madison. Both platforms can handle eight-car trains, the longest on the CTA system.
Service
Washington/Wells serves the Brown Line (which travels counterclockwise on the Outer Loop track), and the Orange Line, Purple Line Express (weekday rush hours only), and Pink Line (which travel clockwise on the Inner Loop track).
