Drivers are being warned over disruption on the M8 with work to replace overhead signs set to last a week.

The third phase of a £6m programme to refurbish the overhead gantries on the M8 motorway will get under way on Monday.

The investment from Transport Scotland will see four gantries on the M8, between Junctions 10 and 11 (westbound), 11 and 12 (westbound), 14 and 15 (eastbound) and 24 and 25 (westbound) being refurbished.

The upgrades will involve maintenance works to the structural steelwork and the upgrading of the lighting technology within the gantries.

Due to the nature of the works and to protect the health and safety of motorists and road workers, a series of traffic management measures will be in place overnight between 8pm and 6am from October 24 until the following Monday.

Scotland TranServ, which maintains almost 200 sign gantries on south west Scotland's motorways and trunk roads, will carry out the work to the structures.

The new signs will provide a number of long-term benefits including energy savings and helping to reduce the increasing demands of routine maintenance.

Scotland TranServ operating company representative Andy Fraser said: "We have successfully completed the first two phases of this programme and we hope to emulate this during the third round of refurbishments.

"Some of the existing gantries have been in place for over 30 years and this programme will result in significant long term benefits to thousands of motorists using the M8 each day.

"Not only has the signage been improved but also the innovative use of LED lighting will achieve 70% in energy savings per gantry each year ensuring we play a pivotal role in helping Transport Scotland meet its carbon reduction targets for 2020."

Motorists can keep up to date with real time traffic information by following @trafficscotland on Twitter or visiting www.trafficscotland.org.