Two lanes are now open to traffic.
Contractors will be back at the site tomorrow to install a number of concrete barriers.
Stop/go traffic management and speed restrictions will be in place during the work. Motorists are advised to allow for delays of up to 15 minutes and to drive with extra care and attention for their safety and the safety of the workers.
The Transport Agency thanks motorists for their patience.
For personalised information about driving conditions on their frequently used routes, motorists can sign up to On The Move at www.onthemove.govt.nz
For real time information on highway conditions and incidents or to report issues on the network visit www.nzta.govt.nz call 0800 4 HIGHWAYS or follow @nztawaibop on Twitter.
