2011/9/6 John F. Eldredge <[email protected]>: > If the traffic signals in Europe are directly above where you are > supposed to stop, rather than ahead of that point, then how do you tell when > it is OK to resume moving?
First of all it is not everywhere the same in Europe, it really depends on the country, and sometimes also on the city. Usually (at least in Germany and Italy) there is (should be according to the law) a white line before the actual lights which indicates where to stop (quite similar to the line for stop signs). In the Rome area (due to generally overcrowded roads and flexible interpretation of traffic rules) there is often 2 synchronized lights for the same crossing: one shortly after the white stop line (i.e. before the pedestrian crossing) and another one after the crossing, so that people who didn't stop at the line but after (sometimes even after the pedestrian crossing) still can see when the lights turn green. Another aspect that should be taken into account when inventing the model for actual traffic light positions: There is sometimes indipendent traffic lights for different directions on the same lane. E.g. a lane where you can turn left or go straight might have 2 traffic lights, where you could have states like: green for left turn, red for straight on. Cheers, Martin _______________________________________________ Tagging mailing list [email protected] http://lists.openstreetmap.org/listinfo/tagging
