Car flipped on Auckland's Northern Motorway causes delays

A car has rolled on Auckland's Northern Motorway causing delays for motorists.

The car is blocking lanes at the Onewa Rd northbound on-ramp.

SH1 NORTHERN MWY - CRASH - 10:45AM
A crash is blocking lanes at the Onewa Rd northbound on-ramp and currently causing delays. Pass with care and allow extra time. ^JB pic.twitter.com/gDqIAWgyRd

— Waka Kotahi NZTA Auckland & Northland (@WakaKotahiAkNth) February 3, 2019

The NZ Transport Agency advised drivers to allow extra time and pass with care.

Firefighters and police are at the scene.