Richmond Valley Council started work on Gores Rd today.
The road works on the road between Spring Grove and Naughtons Gap will take five weeks to complete.
The project includes the bridge approach reconstruction and culvert and guardrail replacements.
On Thursday, January 13, the road will be closed between 10am-2pm to complete asphalt works on the bridge.
This project is funded by Transport for NSW Natural Disaster Flood funding.
Night work on the Bruxner Highway (Johnston Street) in Casino starts on Wednesday, January 19.
The State Government is funding the essential maintenance work on Johnston Street, between Hickey and Short streets to provide a longer lasting and safer road.
To reduce the impact to drivers work will be carried out at night. The work will be done between 6pm-6am on Wednesday, January 19 and Thursday, January 20 and on the night of Tuesday, February 1.
Transport for NSW will carry out this work which involves resurfacing sections of the highway.
Lane closures and a 40km/h speed limit will be in place during work hours and may affect travel times.