SigAlert Issued after Two-Vehicle Crash on 405 Freeway

SEAL BEACH, CA (September 3, 2021) Authorities issued a SigAlert on Monday after a two-vehicle crash on the 405 Freeway near Magnolia Street.

In addition, the two-vehicle crash blocked the No. 1 lane and the Freeway’s carpool.

Afterwards, an ambulance arrived at the scene to assist injured patients.

At this time, the number of casualties and their identities still remain unavailable.

As a result, the Seal Beach Authorities issued a SigAlert 9:14 A.M. as crews needed to clear out the scene.

Officials are encouraging motorists and commuters to avoid this part of 405 freeway while they investigate the two-vehicle crash.

More information about the total number of injured will be released as it is made available.


Driving can be very dangerous and almost anything can happen if you are not prepared. Always check behind your vehicle before backing. Do not depend on mirrors alone and always back at slow speed. By driving in a safe and legal manner, you can help avoid causing or increasing the risk of accidents which may have devastating consequences for you and for others.


It is important to have strong legal representation on your side when injured in a two-vehicle crash. Reach out to the car accident lawyers at Sweet James today. With 20 years of experience in the field, they know what it takes to help you win your case. Call them at (800) 975-3435 for a free and confidential case evaluation. You can reach them 24 hours a day and 7 days a week through email, text, and online chat. To request for a police report, click here.

For more accident news, click here.

Advertising disclosure: We may receive compensation for some of the links in our stories. Thank you for supporting LA Weekly and our advertisers.