(KRON) -- The eastbound lanes of the San Mateo Bridge are shut down due to a traffic collision and vehicle fire. The California Highway Patrol is advising that a severe traffic alert has been issued, and all lanes are currently blocked. Video: Peninsula crosswalks hacked with mock messages from Mark Zuckerberg, Elon Musk Drivers are advised to expect delays, use alternate routes and avoid the area. There is no estimated time for reopening the roadway. ...read more read less