San Diego light rail system 'San Diego Trolley':

- 82 km
- 54 stops

- low platforms
- high-floor (with lift) and low-floor vehicles:
.... 71 Siemens U2 (1980-90) - high floor
.... 52 Siemens SD100 (1993-95) - high floor
.... 11 Siemens Avanto S70 (2004) - 70% low floor

3 lines:

Blue Line: Old Town Transit Center - San Ysidro Transit Center
Orange Line: 12th & Imperial Transit Center - Gillespie
Green Line: Santee Town Center - Old Town Transit Center

26 July 1981: 25.6 km (2.7 km on-street in downtown, rest former railway alignment)
....
10 July 2005: Mission San Diego - Grossmont Transit Center (9.5 km) including San Diego State University (SDSU) underground station

FARES

Single - 1.50 - 3.00 $
DayTripper - 1 Day 5.00 $; 2 Days 9.00 $
Monthly Pass - 60.00 $

MTS (Official Website)

San Diego Light Rail at nysubway.org with extensive description and many photos

Lightrail.com

TransitRider San Diego includes many photos

LightRailNow