Orange County Branch Newsletter

May 2015

History and Heritage

Los Angeles' Four Level Interchange - a historic civil engineering landmark

Los Angeles' Four Level Interchange has been featured journalist Nate Berg in The Guardian as part of their "A history of cities in 50 buildings" series. The Four Level was the first interchange of its kind when it fully opened in 1953, and is designated by the LA Section of the American Society of Civil Engineers as a historic civil engineering landmark. ASCE OC's own Carl Nelson, PE, was interviewed for the article.

Click the link in the picture to read the full article:

Photo: Caltrans




















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