UPDATED 2.19pm: The section of State Highway 2 at Te Puna which was closed this morning has now been re-opened.
The section of highway between Clarke Rd and Te Puna Station Rd was closed after a diesel spill spread across the road in wet weather this morning.
Police advised the road would be closed for several hours.
An Inroads spokeswoman said the road was opened again just after 12pm.
EARLIER 10.18am: State Highway 2 at Te Puna will be closed for several hours after a diesel spill near Clarke Rd this morning.