Auckland motorists heading northbound along State Highway 1 are being warned to expect delays following two separate crashes.
At about 12:30pm, a crash blocked the northbound right lane on the Northern Motorway past the Lonely Track overbridge.
Waka Kotahi said the crash has since been cleared.
A separate crash south of Auckland along the Southern Motorway has blocked the northbound left lane after the Hill Rd off-ramp.
In a Twitter post, Waka Kotahi urged motorists to pass "with care" and to expect delays.
According to Google Maps, traffic heading northbound along the Northern and Southern Motorways is moving slowly in some parts.
