UPDATE 9:01 p.m. - The Pima County Sheriff's Office has said the roadway is now back open.
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The Pima County Sheriff's Department is investigating a four vehicle crash that temporarily closed Cortaro Farms Road at Thornydale near Marana.
All westbound travel on Cortaro Farms Rd. is closed until the vehicles are removed.
If on the road, PCSD suggests to find alternate routes of travel.
