This line follows the route of a Pacific Electric trolley service that ran from 1909 to 1953, before Los Angeles became a labyrinth of freeways.
Flickr photo links of the trolley service from 1953 and earlier:
The new line does not use any of the rolling stock or infrastructure from the previous service, apart from an occasional bridge that was found to be in good structural condition.
Flickr photo links of the new Expo Line service, which opened in 2012:
Flickr photo links of the new Expo Line service, which opened in 2012:
Once complete, it is expected that the journey from Los Angeles to Santa Monica will take around 46 minutes, which is an improvement on traffic filled roads.