Last week three buses whizzed past our car in a race to pick up passengers on the Galle Road in Wellawatte ... that speed signs are not painted on the surfaces of more roads. Many countries have these ...

It is certainly disconcerting at first: you're happily driving along a country road at 60mph (97km/h) when a speed limit sign on the dashboard starts blinking irritably and your car begins to slow ...

The car determines the current speed limit by either reading road signs with a camera, or by determining the speed limit using GPS and a stored database of roads. ISA then notifies a speeding ...