A truck driver has been seriously injured in a crash that has closed Christchurch's Southern Motorway.
Police said the crash, near Curletts Rd, was reported about 11:30am.
"The driver of the truck has sustained serious injuries."
Police said traffic was being diverted off the motorway at the Curletts Rd off-ramp.
"Motorists are advised to avoid the area if possible, and expect delays."
