339, was modified for dual tracks a century later for use in the current light rail system. The York Boulevard bridge over the Arroyo Seco Parkway was built to replace a small wooden toll bridge which was inadequate to support the growing traffic between South Pasadena and Los Angeles.
339, was revised for dual tracks a century later to be used in the present-day light rail system. The York Boulevard bridge over the Arroyo Seco Parkway was constructed to replace a small wooden toll bridge that could no longer support the increasing traffic between South Pasadena and Los Angeles.