HELENSBURGH motorists who travel regularly to and from Dumbarton are facing months of road closures and disruption due to gas main renewal in the town.

The works will last for 17 weeks, with the first phase already under way.

Castlegreen Street and Greenhead Road are closed at their junctions with Glasgow Road, and will remain shut until early June.

Local signed diversions are in place, and access is being maintained for residents.

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Phase two, meanwhile, will begin on Tuesday, May 28 and will last for approximately six weeks.

Glasgow Road will be temporarily closed in both directions, while Castlegreen Street and Greenhead Road will remain closed as in phase one.

Signed diversions will be in place and large advanced warning signs will also be displayed.

Resurfacing works at the junction, scheduled to take place later this year, will instead take place while the closure is in effect.

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Finally, phase three, which begins on Tuesday, July 9, will last approximately eight weeks and will see Glasgow Road, Castlegreen Street and Greenhead Road reopened.

SGN will be working in Castlegreen Street near the fire station and temporary traffic lights will be in place during this time.

The company recently carried out multiple emergency repairs on these mains, which are located on a busy junction in the town.

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Stephen Campbell, project manager, said: “We’ve worked closely with the local authorities in planning this work and we will be doing everything we can to limit disruption during our essential work in Dumbarton.

“We appreciate that roadworks can be frustrating, however, the new plastic pipe has a minimum lifespan of 80 years."