People travelling between Rotorua and Tauranga during the closure are advised to use SH5 and SH29 over the Kaimai Range or Hamurana Road, SH33 and SH2 through Te Puke.
The alternative routes will add about 20 minutes to normal travel time. The work is weather dependent and will be postponed to May 3, if necessary.
For real time information on highway conditions and incidents visit www.nzta.govt.nz call 0800 4 HIGHWAYS or follow @nztawaibop on twitter.
For personalised information about driving conditions on their frequently used routes, motorists can check out and sign up to On The Move at www.onthemove.govt.nz.