IMPROVING THE PERFORMANCE OF TRACK LINING AND LEVELLING MACHINES.

Keywords: BRITISH RAIL, RAILWAYS, TRACK, PERFORMANCE, IMPROVEMENT, LININGS, LEVELLING, MACHINES, MACHINERY, PLANT, PERMANENT WAY, MAINTENANCE, METHODS, ALTERNATIVE, CONTROL, SYSTEMS, SMOOTHING, ASSESSMENT, AUTOMATIC, ALIGNMENT, PASSENGERS, COMFORT, WAVELENGTHS, IRREGULARITIES, SIGNALS, ANALYSIS, THREE POINT, FOUR POINT