The barriers will include guard rail and wire rope.
Work will start on Monday and is expected to be completed at the end of June this year.
The Transport Agency's website is regularly updated with information about most delays, closures and detours at www.nzta.govt.nz/traffic.
People can also call the Transport Agency's free phone on 0800 4HIGHWAYS (0800 44 44 49), which can also be used to report any significant road issues or hazards which people may come across during their travels.
Alternatively, drivers can also subscribe to On The Move a free service which enables provides up to date information about crashes, road works and driving conditions on their frequently used routes - to sign up, go to www.onthemove.govt.nz.