A court case following a crash in 2013 involving a hazardous road surface, has found Scottish Borders Council were in 'breach of the common law duties they owed'. This involved having a metal strip in the road surface, so may have implications for cases involving tramlines?
There seems to be a conflict between witnesses saying that the metal strip was slippy and that the cyclist fell off after their bike was stopped suddenly.
More details, including a photo of the road, in Peeblesshire News