DISCUSSION. WIDENING OF THE M4 MOTORWAY BETWEEN TREDEGAR PARK AND MALPAS: DESIGN, TRAFFIC MANAGEMENT AND CONSTRUCTION.

Keywords: MOTORWAYS, M4, WIDENING, DESIGN, TRAFFIC, MANAGEMENT, CONSTRUCTION, MANUALS, STANDARDS, LIGHTING, CONTRA FLOW, BYPASSES, LANES, COSTS, CARRIAGEWAYS, MAINTENANCE, NIGHT, WORK, PAVEMENTS, DESIGN LIFE, OVERBRIDGES, CONTRACTS, CONTRACTORS, TUNNELS, NOISE, ADMINISTRATION, RESIDENT, ENGINEERS, POLICE, LAW, CONTROL, TREDEGAR PARK, MALPAS, WALES, UK