Key 'Addr' in multiple languages

It is possible to name a "highway" in multiple languages using name:en, name:jp, etc. Is it possible to tag the address of an object in multiple l...

How to map a u-turn?

I have a seperate highway with two plus two lanes (total four lanes). I want to map a u-turn which is a third lane with a stoplight (at the stoplig...

GPS traces not shown on map

I loaded my GPS traces in Potlatch 2 and was unable to see them. I realized that they are hidden between all nodes and ways which are being drawn ...

Newbee - Accuracy of maps and images

I have been comparing maps and satellite images from both Google, Yahoo, and Bing and for the same location I found different lat/lon values. I saw...