Caltrans District 7 Headquarters

The Caltrans District 7 Headquarters building at 100 South Main Street in Downtown Los Angeles, California, United States serves the California Department of Transportation (Caltrans) and the Los Angeles Department of Transportation.

Built on a $165 million budget, it opened on September 24, 2004.

The design and construction of the building was documented across four episodes on the History Channel series Modern Marvels, to demonstrate the unique challenges presented in the design and construction of large buildings over the past two centuries.

Special features include the public plaza named for Eli and Edythe Broad, Motordom (a large four story light installation), the unique glass floor of the third-floor conference room, Code: Survey (168 one-foot-square glass art panels), urban landmarks (4-story high “100” house number and the light-bar cantilevers out of the building), and the Ten Past Five O’clock on the fourth floor.

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