There is heavy congestion on Auckland's southern motorway this morning, after part of the city-bound route was closed for several hours by a serious crash.
SH1 SOUTHERN MWY, NORTHBOUND - CRASH - 6AM— NZTA Akld & Nthlnd (@NZTAAkl) February 28, 2018
There is HEAVY congestion northbound between Ramarama and Drury from an earlier road closure due to a serious crash. Expect delays as congestion eases in the area. ^MF pic.twitter.com/7jyEJ8hcLo
The crash happened just before 2.30am, near the Drury off-ramp.
One person was taken to Middlemore Hospital in a critical condition. Two people sustained moderate injuries and another had minor injuries.
The motorway between Ramarama and Drury re-opened about 6am, but traffic remains heavy in the area.
NZTA is warning that there is still some congestion between Bombay and Ramarama.