People who typically use State Highway 2 to get to Bethlehem from Tauranga are being warned to prepare for a detour tonight.

For the last three weeks, Tauranga City Council has been replacing the concrete barrier on the eastbound shoulder between Bethlehem Road and Waihī Road with guardrail.

This work is part of the Beaumaris Boulevard flood mitigation works.

A further single night closure to remove the temporary barriers is planned for tonight.

Image: Waka Kotahi NZ Transport Agency.

During the closure period eastbound vehicles will be detoured via Bethlehem Road, Carmichael Road, Millers Road, Bellevue Road and Waihī Road, says a Waka Kotahi NZ Transport spokesperson.

Detour route as follows: Moffat Road left on Beaumaris Blvd right on Sterling Gate Dr, left on Cambridge Road to return to SH2. Option 2: Bethlehem Rd right Carmichael Rd to Millers Rd right on Otumoetai rd. and Cambridge rd. return to SH2

The road closure will be from 8pm Thursday, November 30, to 6am Friday, December 1.

Meanwhile, work is continuing on a signalised crossing installation on SH2 adjacent to Carmichael Rd.

Work began on Sunday, October 1, and is expected to be completed on Tuesday, December 5.

NZTA says contractors are working rom 7pm to 5am each night.

"Shoulder closures and Stop/Go will be in place during this time.

"A 30km/h temporary speed limit will be in place."