Parts of Anchor Road and Bentley Grove in Calne will close for two weeks from 30th November while Wales & West Utilities carries out mains replacement works.
The first major phase of a £6.98 million scheme to improve safety along the A3102 has been completed at the junction of the Calne bypass and Stanier Road.
A temporary 30mph speed restriction is being introduced on part of the A3102 in Calne, as concerns continue to be raised locally about the worsening condition of the road.