One in critical condition after motorcycle crash

A motorcyclist is in a critical condition after a crash that temporarily closed a section of State Highway 75 in Christchurch.

The two-vehicle crash on Curletts Rd, which involved a car and a motorbike, was reported to emergency services about 11am on Wednesday, police said.

"Police are in attendance and the serious crash unit has been advised."

One person was taken to hospital in a critical condition.

"Motorists are asked to avoid the area."

S75 was reopened between SH76 and Lincoln Rd just after 2pm.