A four-vehicle collision on the Southern Motorway is causing heavy traffic on parts of the motorway network, particularly around Epsom.

One person has been injured in a four-vehicle crash on Auckland’s Southern Motorway.

The collision, reported to police about 1.30pm, is causing heavy traffic on parts of the motorway network, particularly around Epsom.

Police said the crash happened on State Highway 1, the Southern Motorway about 1.30pm.

“One person has
minor injuries,” a spokeswoman said.