North and Central America->United States->California (CA)->San Diego
San Diego Trolley, Inc. (SDTI) is a wholly owned subsidiary of the Metropolitan Transit System (MTS). SDTl was created by MTS in August 1980 to operate and maintain the LRT system under construction. SDTl began revenue operations on July 26, 1981 on the first line from downtown to the Border, also know as the South Line. Operations continued to expand through the 1980s, 1990s and 2000s.
--Info from: http://www.sdmts.com/home1.asp