The best summer holidays begin with a road trip, but few include a 210km detour.
Kiwis driving south from Picton and the Interislander to Nelson next month will be forced to take a two hour detour via St Arnaud.
The main highway between Nelson and Blenheim will close from 1 November for seven weeks for repairs to flood damage from August.
The works are currently due to be completed by Sunday, 18 December just ahead of the busy Christmas period.
Andrew James, Waka Kotahi System Manager Top of the South, says the work on the SH6 and SH63 would be made as quickly as possible, ahead of the busy Summer period.
"To keep everyone safe and finish the work as quickly as possible, we must close the road for seven weeks. We realise this is a substantial amount of time, but the route is currently vulnerable, and another serious weather event could seriously damage it and see it closed for months," he told 1 News.