The Caltrans

California Department of Transportation

The California Department of Transportation is a government department in the U.S. state of California. Its mission is to improve mobility across the state. It manages the state highway system and is actively involved with public transportation systems throughout the state...

 District 7 Headquarters building at 100 South Main Street in Downtown Los Angeles

Downtown Los Angeles

Downtown Los Angeles is the central business district of Los Angeles, California, United States, located close to the geographic center of the metropolitan area...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 serves the California Department of Transportation

California Department of Transportation

The California Department of Transportation is a government department in the U.S. state of California. Its mission is to improve mobility across the state. It manages the state highway system and is actively involved with public transportation systems throughout the state...

 (Caltrans) and the Los Angeles Department of Transportation

Los Angeles Department of Transportation

The Los Angeles Department of Transportation, commonly referred to as LADOT, is an agency created by Los Angeles City Ordinance, and is governed by a citizen commission. The LADOT is best known for providing public transportation to the City of Los Angeles. It currently operates the second largest...

. Built on a $165,000,000 budget it opened on September 24 2004. Its futuristic and environmentally-friendly design has won its designer Thom Mayne

Thom Mayne

Thom Mayne is a Los Angeles-based architect. Educated at University of Southern California and the Harvard University Graduate School of Design in 1978, Mayne helped found the Southern California Institute of Architecture in 1972, where he is a trustee...

 the 2005 Pritzker Prize

Pritzker Prize

The Pritzker Architecture Prize is awarded annually by the Hyatt Foundation to honour "a living architect whose built work demonstrates a combination of those qualities of talent, vision and commitment, which has produced consistent and significant contributions to humanity and the built...

. The design and construction of the building was documented across four episodes on the History Channel series Modern Marvels

Modern Marvels

Modern Marvels is a documentary television series that premiered on January 1, 1995 on History. The program focuses on how technologies affect and are used in today's society....

, to demonstrate the unique challenges presented in the design and construction of large buildings over the past two centuries.

The 13-story structure, bounded by First Street

1st Street (Los Angeles)

1st Street is an east-west thoroughfare in Los Angeles and East Los Angeles, California. It serves as a postal divider between north and south and is one of a few streets to run from West Los Angeles to East Los Angeles...

, Main Street

Main Street (Los Angeles)

Main Street is a major north-south thoroughfare in Los Angeles, California, and is the east-west postal divider for that city. It begins as a continuation of Valley Boulevard west of Mission Road in Lincoln Heights and ends at the Port of Los Angeles. At 9th Street, it merges with Spring Street in...

, Second Street

Los Angeles streets, 1-10

This article covers streets in Los Angeles between and including 1st Street and 10th Street. Major streets have their own linked articles; minor streets are discussed here.These streets run parallel to each other, roughly east-west....

 and Los Angeles Street

Los Angeles Street

Los Angeles Street is a historic avenue in Downtown Los Angeles, California.The main portion of the street begins at 23rd Street, south of Interstate 10, through the Fashion District, and on through Little Tokyo, where it passes between LAPD Parker Center and Los Angeles City Hall. Los Angeles...

, has 716,200 gross square feet for office spaces and an underground parking for 1142 vehicles. Special features include the public plaza named for Eli and Edythe Broad

Eli Broad

Eli Broad is an American businessman from Detroit, Michigan who resides in Los Angeles, California.-Life and career:An only child, Broad was born in the Bronx to Lithuanian Jewish immigrant parents. His father was a housepainter, his mother was a dressmaker. His family moved to Detroit when he...

, 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.