Traffic on the 405 Freeway in Seal Beach was disrupted for hours Friday afternoon after a tractor-trailer overturned onto a vehicle.

A person died and another was hospitalized Sunday after the motorcycle they were riding rear-ended a vehicle on the 405 Freeway in Hawthorne.

When the 101 Freeway opened in 1940, it was the focus of Thanksgiving gridlock photos. But by the 1970s, that photogenic interest shifted to the 405 Freeway, at least in the pages of The Times.

All southbound lanes of the 405 Freeway were closed for hours in the Westwood area Monday morning due to a multi-vehicle crash that left at least one person dead. Annie Rose Ramos reports for the ...

A mountain lion was struck and killed on northbound lanes of the 405 Freeway on Thursday. It's unclear exactly when the crash occurred and what kind of vehicle struck the big cat, but a single ...

Three cars and a semi-truck crash on the 405 Freeway near Brentwood, LA, causing injuries and major traffic delays.

A multi-vehicle crash involving a semi-truck on the southbound side of the 405 Freeway left three people injured early ...

A violent two-car crash on the 405 Freeway sent three people to the hospital late Sunday evening. The collision happened at around 9:30 p.m. on southbound lanes near Mulholland Drive in the ...

A man riding a bicycle was struck and killed by a Volvo Sunday morning on the 405 Freeway in Carson, authorities said.

All southbound lanes of the 405 Freeway were closed in the Westwood area Monday morning due to a multi-vehicle crash that left at least one person dead.