Light rail system "T": 42 km, opened 1984, 3 underground stations in downtown Pittsburgh (Steel Plaza, Wood Street and Gateway) plus one at North Side

- high floor vehicles (with a special door at the front equipped with steps for access at stops without proper platforms)
- Overbrook line (8.3 km) reopened in June 2004 after closure in 1993
- 1.9 km extension under the Allegheny River opened 25 March 2012, feat. two new stations on the North Shore, plus a relocated Gateway underground station

3 lines:

Blue Line: Allegheny - South Hills Village via Overbrook Line
Red Line: Allegheny - Overbrook Junction (- South Hills Village) via Beechview Line
Silver Line: Allegheny - Library via Overbrook Line

PRT - Pittsburgh Regional Transit (Official Website)

Pittsburgh Light Rail at Wikipedia

Jon Bell's Pittsburgh page

Pittsburgh T photos at NYSUBWAY.ORG

Pittsburgh Railways OnLine

Pittsburgh LRT Information Page

Pittsburgh Light Rail at Oldtrails