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World Highways, Retexture for landmark Welsh tunnels, May 2009
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Retexture for landmark Welsh tunnels

The North Wales Trunk Road Agency (NWTRA), which is responsible for the management and maintenance of over 480km of trunk (major) roads in north Wales, has been using Klaruwtex190 (K190) controlled mechanical retexturing for four years. This is part of cyclical procedures for maintaining road surface skid resistance on the A55 North Wales Coast Road (including three major tunnels) and other trunk roads in the region.