| 摘要 |
The invention is concerned with a method to give one or more instructions to one or more drivers of one or more respective vehicles, forwardly moving on a road surface, by using a sign lying in or on the road surface, switchable between two mutually differing signal modes, such as recognisable or unrecognisable to that driver(s), with the aid of active switching means, preferably from a central location, wherein said sign is designed such that it provides a signal at least homogeneously spread over its surface, such as visible light or a colour, and wherefor energy is preferably supplied to said sign which transmits said energy into the signal energy.. The invention is also concerned with a road surface that is suitable to carry out said method, and a sign adapted for said road surface. <IMAGE> |
