ADAPTATION OF THE METHODS OF LAYING, ALIGNING AND MAINTAINING THE PERMANENT WAY TO CARRY TRAFFIC AT VERY HIGH SPEEDS (120 KM/H AND MORE): A) ON THE STRAIGHT: B) ON CURVES: SO FAR AS THEY AFFECT SAFETY AND TAKING INTO ACCOUNT THE TYPE OF ROLLING STOCK USED

The following topics are discussed: effects of rolling stock on track, layout of lines; points and crossings, loading gauges; distances between running lines, equipment, ballast and track renewal of high speed lines, and finally safety of trains, staff and inspection processes of high speed lines. Appendices include answers related to railway technology from responding members.