Emergency services are responding to a crash on Boundary Rd in Counties Manukau on Friday morning.
The crash between two vehicles was reported just before 7:30am and it has blocked the east bound lane of Boundary Rd, near the Preston Rd intersection.
Two people are reported to have suffered moderate injuries.
Police said traffic is building up.
Traffic management is being put in place and motorists are advised to “expect delays”, or to avoid the area if possible.