Improves mobility and reduces traffic congestion on Green Tree Hill, Ft. Pitt Bridge and Tunnel and throughout western Allegheny County.

Reduces travel time in the congested Pittsburgh International Airport/Parkway West corridor.

Promotes and supports new and existing economic development and transit-oriented development planning initiatives.

Helps conserve energy and reduces regional air pollution.

Improves access to job opportunities in the Pittsburgh International Airport/Parkway West corridor.

Improves neighborhood transit routing via bus access ramps near each station.

Provides convenient connections to other Port Authority fixed guideway facilities - the South and East Busways and the Light Rail Transit System.

Construction of the West Busway transformed a corridor of abandoned, debris-filled railroad right-of-way into a modern bus rapid transit facility. In addition to the removal of debris, 19,122 tons of contaminated material were extracted from the right-of-way along the West Busway corridor.