At 2:11 am a big rig and another vehicle collided on the 405 freeway near Palo Verde Ave. in Long Beach. The big rig crashed into the right shoulder wall leaving a gaping hole in the shoulder wall and spilling debris all over lanes. CHP issued a SIG alert for the north 405 but have the HOV, 1 & 2 lanes open for through traffic. Cal Trans is on scene for clean up. No injuries were reported.