Co-ordinate

Any such event is represented with respect to the co-ordinate system K by the abscissa x and the time t, and with respect to the system K′ by the abscissa x′ and the time t′.

To assist in this mind-bogglingly complex endeavour, Switzerland has developed sophisticated software tools that allow infrastructure managers (IMs), operators and local/national authorities to co-ordinate civil engineering projects with planned service enhancements, demand forecasts, pathing requirements, nationwide timetables, and asset utilisation up to 15 years ahead.