Update 3:02 p.m.: All lanes are open again, according to CHP Officer Sarah Jackson. The crash and clean-up lasted almost six hours in total.
Update 2 p.m.: Crews separated the mixer from the truck and were working to haul both away. Trafic all over Santa Cruz is affected by the crash, with backups on all roads leading downtown.
It took 45 minutes to get from Cabrillo College to Dominican Hospital and one Patch commenter's commute from Watsonville to Scotts Valley was nearly two hours.
The truck turned over on a straight section of road, rather than on curves where it would be more common.
The driver was flown to a trauma center.
Update 11:56 a.m.: Northbound traffic is backed up at a standstill as far south as Rio Del Mar in Aptos. Soquel Drive is completely clogged with diverted traffic.
To see live traffic, check out our commute map here.
The driver of the truck is a 57-year-old man from Soledad. Jackson said he was being treated for his injuries on scene and that no other vehicles were involved.
Original Report: Traffic was stopped for miles at 9:13 Monday morning after a concrete truck overturned on Highway 1 Northbound between Morrissey Boulevard and the Branciforte Avenue overpass.
Crews are working on widening the highway and traffic has been slow for weeks.
CHP spokesman Sarah Jackson said that 30,000 pounds of concrete is in the truck, but it would have to be removed in order to turn it back on its wheels.
Traffic will be diverted onto Morrissey and drivers are asked to find alternate routes.