NZ Transport Agency journey manager Oliver Postings said crews were working hard to reopen SH5, but challenging conditions and large amounts of slip material spread across the route were making for tough going.
"No official detour is available so any trip between Napier and Taupō would likely involve having to drive to Palmerston North and then back up."
This would add hours on to your journey and, given the deteriorating weather, NZTA was advising road users to delay any unnecessary travel," Postings said.
"The safety of road user is our top priority so if you can't delay travel, please be cautious and drive to the conditions."
"Next official update is at 10am in the morning.
"We will be endeavouring to open the road tomorrow - but we must stress that safety of road users is our main focus."
The NZTA also thanked road users for their understanding and patience.
The Hastings District Council was reporting the following road closures as at 5pm on Tuesday:
• Taihape Rd
• Soldier Settlement Rd
• Shanley Rd
• Dartmoor Rd
• Crownthorpe Settlement Rd
• Ellis Wallace Rd
• McVicar Rd
• Aropaoanui Rd
• Aropaoanui Rd
• Darkys Spur Rd
• Old Coach Rd
• Te Waka Rd
• Mokamoka Rd
For more information, check back with Hawke's Bay Today and NZTA on Twitter or
NZTA on Facebook and NZTA online.
Meanwhile in Wellington, the Hutt River was beginning to flood due to heavy rain in the region throughout the day.
The Hutt River is rising and likely to start flooding nearby areas - keep a distance and stay out of the water.
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Video: Barbara Jones
Posted by Wellington - LIVE on Monday, 11 June 2018
Block Road in Lower Hutt and the Riverbank carpark area are now closed as the river overflows onto them.
#FLOODING The Hutt River is reaching warning levels are starting to overflow. If you are parked near the river, move immediately.
Video: Mellissa Warrington
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Posted by Wellington - LIVE on Monday, 11 June 2018