1 1 Here (Between Kenilworth Ave. and Richmond Rd.) the map has listed a standard junction, however, this is a roundabout (without yield signs or stops). How do you add a roundabout to a pre-existing intersection? asked 16 Jul '12, 21:04 rfraleigh 26●1●1●2 accept rate: 0%

 0 You could read this http://wiki.openstreetmap.org/wiki/Tag:junction%3Droundabout If the area as got good bing it will be easier. If not I would sketch a plan, walk around the site and get some traces. If you mess up just don't save it. You could find a blank area on the map to do a practice, Do not save this practice of course. edit... I have now had a good look at this in Potlach2 you need to plot a few nodes around the mini roundabout you see in Bing, use the circle tool in the box lower right to make the circle neat.Now make it one way anti clockwise as it's USA. next connect the four roads to it by clicking their meeting points and pressing "J" for each of the four. Then remove the central node, make sure that's the only high lighted node when using the bin/delete symbol.Update the undo and redo boxes are useful,and after practice the problem with this method is that the circle tool sometimes moves the centre a bit upsetting the alignment. so use my other answer for best results. answered 17 Jul '12, 00:17 andy mackey 12.2k●77●130●267 accept rate: 4%
 2 Following a practice I have found this to be the easiest procedure. Zoom right in to max at edit point click edit choose Potlach2 and click the plus + to mag a bit more Click on road where it will join mini roundabout while pressing shift to create a node and click scissors symbol to cut it repeat for other 3 roads click on middle node and with just that highlighted click bin/delete symbol. highlight and delete to other bits click and highlight one of the four roundabout nodes now create a new node between this and the next of the four and continue until you have rough circle of 8 use circle tool to make neat While still highlighted tag from box on left as a suitable road type and choose the correct one way tag if all looks good save it and write for example "Mapped roundabout using bing, survey and local knowledge". that's it, job done It would take five minutes with practice. answered 17 Jul '12, 01:32 andy mackey 12.2k●77●130●267 accept rate: 4%
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question asked: 16 Jul '12, 21:04

question was seen: 5,077 times

last updated: 01 Aug '12, 11:50