Metrolink began operations on October 26, 1992, with three routes, 11 stations and 112 miles of track in two counties. It initially carried 2,300 daily passengers. Today, Metrolink offers seven routes, 55 stations and 512 miles of track in six counties. Average weekday ridership consists of more than 44,000 boardings.

"This is a tremendous milestone," said Metrolink Board Chairman Richard Katz. "When you consider the tens of thousands of lives we impact each and every day, our positive impact on improving air quality and reducing congestion, it can be overwhelming. Our employees and crews take great pride in their work and being a part of this occasion is very special for everyone associated with Metrolink."