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Scottish road remains closed with landslip repairs estimated at more than £2M

A road in Perth and Kinross, Scotland, has been out of use since 2012 following severe landslips and is likely to remain closed as the council deems repairs too costly.

According to a report published by Perth and Kinross Council, repairs to the Oakbank Road in Blairgowrie would cost in excess of £2.3M. In the report, the council has proposed to keep the road closed and provide alternative access routed, which would cost around £3,000.

A landslip occurred on the road just before Christmas 2012 following a period of sustained heavy rain. A section of the track up to 1.3m wide was lost over a length of approximately 19m to a width of about 30m. It is estimated that 600 tonnes of material washed down into the River Ericht.

In 2011 there had been movement of the slope on a 12m long section, with partial failure of a retaining wall, further north of the 2012 landslip.

The subsequent ground investigation at the site revealed there was no bedrock below the road until the river level is reached. The material above the bedrock is an unstable mixture of clays, sands, gravels and cobble. The stability of the material is further reduced when it becomes wet.

According to the Daily Record, councillor Alan Grant, convener of the environment committee, said: “Consideration of the proposed permanent closure of Oakbank Road for pedestrians is not undertaken lightly and any loss of this recreational route is of considerable concern to the council and public.

“Public safety is paramount and the council must ensure this is the overriding priority in this case.”

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