Portland light rail system 'MAX' (Metropolitan Area Express):

- 65 stops
- 70 km
- 26 high-floor and, since 1992, 52 low-floor cars
- 3 lines:

Blue Line: Hillsboro - City Center - Gresham:
   Eastside section 24 km, opened Sept 1986
   Westside extension 28.8 km, opened Sept. 1998, includes 4.8 km twin tunnel through West Hills with 1 underground station 'Washington Park'
Red Line: (Beaverton - City Center -) Gateway TC - Airport (8.8 km, opened 10 Sept. 2001)
Yellow Line: City Center - Expo Center (9 km, opened 1 May 2004)

Apart from the Light Rail network, Portland also offers a proper streetcar (tramway) operating with modern Skoda low-floor vehicles in the city center. It intersects with the light rail system at Pioneer Square, where the Yellow Line terminates.

TriMet (Official Website)

Portland Streetcar (Official Website)

Lightrail.com

Portland Light Rail at lightrailnow.org

Extensive description at nysubway.org