The Orange County Transportation Authority, which owns the track through San Clemente, worked with Metrolink, which operates regional passenger rail service, to build a 200-foot-long wall at Mariposa Point to shore up the hillside.
To secure the area, Metrolink undercut nearly 500 feet of ballast from below the track to remove mud and dirt along the right-of-way, and Orange County transportation workers integrated a more comprehensive drainage system with the wall, which is supported by steel beams 30 feet deep, the transportation agency reported.
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