Recently I found the Dutch Nationaal Georegister (National Georegistry), which seems to be part of a larger movement to publish government data as open data. It includes some datasets on historical infrastructure that could be imported to O…
With the new Americana stylesheet being deployed, we should organize all of our route relations with the network=* key. As time changed, we had multiple road networks, which can be organized in the future. Please document your usage here: h…
I’ve been working on a proof of concept of a new OHM stylesheet. OpenHistoricalMap Americana imitates a classic North American road atlas. For example, you can track the evolution of the freeways around Syracuse, New York, in 1965 versus th…
I invite all road mappers of OHM (and everyone else) to this debate: I’ve narrowed it down to Europe for now. However this can be expanded if requested. My goal is to make a consistent highway=* tag across Europe. This mainly focusses on hi…
We are so glad you’ve found the best place on the web to talk about OpenHistoricalMap (OHM)! We already have some great ways of communicating, like Slack & Discord, but we hope this site provides a richer way to dive deep into focused areas…