The detour will be in place from 11.30 pm Monday night, 4 July, to 5 am Tuesday, 5 July.
Detour of the southbound lane of SH1 through Ashburton: The detour will take southbound drivers along West Street (SH1) to Havelock St, East St, Moore St and back onto West Street (SH1). See map below.
Thanks to all drivers for slowing down on the detour route.
Northbound traffic will remain on SH1, West St.