A crash has closed part of QE II Drive, near Innes Rd.
Christchurch Transport Operations Centre said there are traffic delays, with both west-bound and east-bound lanes closed.
The detour is Philpotts Rd to Innes Rd.
SH74 – QEII DR / INNES RD – CRASH – ROAD CLOSED EASTBOUND – 3:05PM – 11 JAN
QEII Dr (SH 74) is currently closed eastbound due to a crash. Road users wanting to head east should use Prestons Rd until the crash site is clear. Take care and be patient until the road is clear.^SM pic.twitter.com/NtuhbEvrvb
— TFC (@TransportChCh) January 11, 2018
Emergency services are at the scene.