Utilities' reinstatements of the highway Studies in Europe and North America into the effect of utility works on the performance of highways have shown that trenching can have a detrimental effect on both the surface condition and the underlying structure of a highway, thereby shortening its service life. Previous research by the CSS in this area found four kinds of damage that may result from trenching activity: .the possibility of the excavation process weakening the adjacent pavement, which then further deteriorates after a reinstatement is completed; .the creation of a weak boundary between a reinstatement and the adjacent pavement; .a deteriorating pavement that may cause an adjacent trench to fail earlier than expected; .surface deterioration and visual disbenefit arising from the works. The Traffic Management Act 2004 has provisions to enable highway authorities to recover funding (contribution to costs of making good long-term damage) from those responsible for the long premature deterioration. This report describes the methods used to determine the additional maintenance costs borne by authorities as a result of premature highway deterioration, and goes on to develop a schedule of charge rates that could be levied against those opening the highway, in order to recover these costs. The research was undertaken by TRL with funding from the CSS. ------------KM7Ef1GI3cH2Ef1ae0KM7KM7Ef1Ij5 Content-Disposition: form-data; name="folder" /ukrlg_admin/
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