MORE: Rain wreaks havoc on Southland roads, triggers mudslides, freeway closures
Nearly 275 crashes were reported in Los Angeles County alone, all between 5 and 9 a.m.
For comparison, the number of crashes during that same time last week was only 30.
Big rig overturns on 91 transition to 710 in North Long Beach
Tuesday's crashes included an overturned big rig in the early morning that shut down the 5 Freeway in Atwater Village and left a person dead and another big rig accident in which the truck hurtled over the side of the 5 Freeway connector north of Sun Valley onto the roadway below.
Many of the reported crashes were likely rain related.