The line hosted the '' Desert Wind '' until 1986 , and continued to serve the San Gabriel Valley and host the '' Southwest Chief '' until 1994 , when the 1994 Northridge earthquake weakened a bridge in Arcadia . In the late 1990s construction of the Gold Line started and opened on July 26 , 2003
1994 Northridge earthquake
1994 Northridge earthquake
Pasadena Subdivision