
Sep. 12, 1929: Groundbreaking ceremonies for the construction of Sepulveda Boulevard. The four-lane precursor to the 405 opened in 1935 and was hailed in the Los Angeles Times as a "new and wondrous highway" over the mountains, vastly superior to the overcrowded Cahuenga Pass and Laurel Canyon.
PHOTOGRAPH BY: Los Angeles Public Library Photo
Link
Feb. 29, 1960: The northern portion of the construction zone of the 405 Freeway through the Santa Monica Mountains. Published reports at the time highlighted the size of the project: 18 million cubic yards of earth were removed.
PHOTOGRAPH BY: California Division of Highways
Link
Feb. 8, 1961: Giant earth-mover rumbles down path of what will be the right-of-way of the San Diego Freeway (Interstate 405). The Mulholland Drive bridge, opened in 1960, sits in background. Sepulveda Boulevard runs through photo, but will be relocated. Once built, I-405 will be 90 feet below the bridge.
PHOTOGRAPH BY: R.L. Oliver / Los Angeles Times
Link
April 2, 1961: An aerial view of the San Diego Freeway construction project at the Mulholland Drive bridge. Dirt from beneath the span was hauled to the San Fernando Valley for freeway fill.
PHOTOGRAPH BY: Bob Lindbeck / Los Angeles Times
Link
Sept. 21, 1962: The San Diego Freeway through the Santa Monica Mountains is nearly complete. Cars traverse Sepulveda Boulevard next to the freeway in the foreground.
PHOTOGRAPH BY: Gil Cooper / Los Angeles Times
Link
Dec. 14, 1962: The "Mulholland cut" section of the San Diego Freeway through the Santa Monica Mountains replaces the winding Sepulveda Boulevard.
PHOTOGRAPH BY: Associated Press
Link
Dec. 27, 1962: Six days after the Sepulveda Pass portion of the 405 Freeway opened, there's hardly a car in sight from the Sunset Boulevard bridge into the San Fernando Valley.
PHOTOGRAPH BY: Pacific Air Industries
Link
June 21, 1976: Diamond lanes, or carpool lanes, on the 405 Freeway become a source of controversy in the 1970s.
PHOTOGRAPH BY: George R. Fry / Los Angeles Times
Link
Jan. 31, 1977: After a controversy, the diamond lane on the northbound 405 opened to all traffic. An L.A. city car ferried officials on the route that day. The name on the sign refers to Adriana Gianturco, then the director of Caltrans.
PHOTOGRAPH BY: George R. Fry / Los Angeles Times
LinkMore galleries on Framework
return to galleryHomeless rousted from their camps near Hollywood Bowl
By Sam Quinones Jay, a homeless man sleeping near a 101 Freeway onramp in Hollywood, awoke to the voices of police Friday morning. Los Angeles Police Department officers... View Post»
Dodgers' first game in Los Angeles
April 18, 1958: After ceremonies at L.A. City Hall and a parade down Broadway, the Dodgers played their first game at Los Angeles Memorial Coliseum before 78,672 fans, beating... View Post»
Pictures in the News | Oct. 27, 2010
We begin today's journey around the world in Buenos Aires, where crowds gather to mourn former Argentine President Nestor Kirchner, who died today, while across the globe in... View Post»
Friday July 30, 2010-Today's Pictures in the News feature starts with glowing embers burning in the remains of a home destroyed by the Crown Fire in California.... View Post»


![The 405: A repeating history of construction [updated]](http://latimesphoto.files.wordpress.com/2011/04/fa_100_firstdodger_1_187.jpg)
![The 405: A repeating history of construction [updated]](http://latimesphoto.files.wordpress.com/2010/10/pin01_layzc1nc.jpg?w=165)
![The 405: A repeating history of construction [updated]](http://latimesphoto.files.wordpress.com/2010/07/la-0730-pin_blog01.jpg?w=157)


