Hi experienced users, as a newby I redraw some roads in north-east India, using JOSM, based on recent GPS traces. Originally some of these roads were rather inaccurate - straight lines between few points. After uploading them with many more points, OSM shows the new road lines only with certain zoom factors whereas the old - inaccurate - roads are shown both at higher and lower zoom factors. What did I do wrong? What should I do differently? ZWE