The West Busway is a two-lane bus-only highway serving the western portions of the city of Pittsburgh and several western suburbs. The busway runs for 5.1 miles (8.2 km) from the southern shore of the Ohio River near Downtown Pittsburgh to Carnegie,^[1] following former railroad right-of-way on the Panhandle Route.^{[citation needed]} It broke ground on October 27, 1994 and is owned and maintained by Pittsburgh Regional Transit, the public transit provider for Allegheny County and the Pittsburgh region. The transit thoroughfare was opened in September 2000.^[2] Following the naming convention of each busway being designated by a color, bus routes that use the West Busway begin with a "G" for green.

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West Busway
Idlewood station along the West Busway
Overview
Locale	Pittsburgh
Termini	Sheraden Carnegie
Stations	6
Service
Type	Bus rapid transit
System	Pittsburgh Regional Transit
History
Opened	September 2000
Technical
Line length	5.1 mi (8.2 km)
Operating speed	50 mph (80 km/h) (top)
Route map West Busway highlighted in green Show interactive map Legend to Downtown via PA 51 Sheraden Berry Street Tunnel Ingram Crafton Idlewood Chartiers Creek Bell I-376 28X to Airport via I-376 Carnegie All stations are accessible This diagram: view talk edit Show route diagram

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In addition to running along the abandoned railroad right of way, the West Busway also reuses the historic Cork Run Tunnel, also known as the Berry Street Tunnel, which was heavily refurbished for the busway

The Institute for Transportation and Development Policy (ITDP), under its BRT Standard, has classified the West Busway as a "Basic BRT" corridor.^[3]

Four Pittsburgh Regional Transit bus routes currently serve the West Busway.

One route, G2 West Busway All Stops travels the length of the busway and also serves Downtown Pittsburgh, connecting with the East Busway, via West Carson Street (PA 51) and the Fort Pitt Bridge. Buses operate every 30 minutes.^[4]

Another important route is the 28X Airport Flyer which uses the West Busway as far south as Bell Station where dedicated ramps connect the Busway to Interstate 376. The Airport Flyer has a stop restriction with buses outbound to the Airport only stopping to pick up passengers, with drop-offs along the busway prohibited. Buses operate every 30 minutes.^[5]

Following the naming convention of each busway being designated by a color, most bus routes that use the West Busway begin with a "G" for green.