DISCUSSION. THE RECONSTRUCTION OF THE CHESTER-HOLYHEAD ROAD NEAR PENMAENMAWR, NORTH WALES. (INCLUDES PLATES).

Keywords: RECONSTRUCTION, ROADS, A55, CONCRETE, GRANITE, AGGREGATES, TUNNELS, RAILWAYS, PROTECTIVE, MEASURES, SURVEYS, METHODS, SURVEYING, TACHEOMETRICAL, HORIZONTAL, ALIGNMENT, CURVES, BANKING, LININGS, TUNNELLING, PORTAL, JOINTS, PENMAENMAWR, CHESTER, HOLYHEAD, WALES, PENMAENBACH, PENYCLIP, PEN Y CLIP, UK