The crash happened at Florin Road, and has traffic backed up all the way to Mack Road. The CHP says the truck was coming onto the northbound Highway 99 onramp when it hit another vehicle and turned over.
- And more breaking news now. In South Sacramento, an overturned big rig is causing a traffic mess on Highway 99. This is at Florin Road. According to the CHP, the big rig was coming on to the northbound 99 onramp, lost control and hit another car, and then tipped over.
There are only minor injuries reported at this point, but all lanes are blocked as crews start to try to clear the road. Traffic is backed up, we're told, all the way to Mack Road at this point.