OSM has a heatmap feature. Users can contribute tracks and feed into it:
replyAwesome! Thanks. I'll look into it.
replyEdit: hmmm I don't think I understand that wiki. Most of those are not the type of heatmap I was thinking of. I'll keep looking into it though.
In fact they are called "Public GPS Traces" and can be enabled in the OSM layer inspector. I am not sure if anyone started distilling track recommendations from them yet though.
replyHere's a link that has traces enabled (aka layer "G"): https://www.openstreetmap.org/#map=15/52.47166/13.40590&laye...
There's also a list of recent uploaded traces: https://www.openstreetmap.org/traces
That's possible. I use RideWithGPS, maybe a lot of people use it around here. Or maybe only two other people have ridden the route, it doesn't say, but it's still super useful for finding routes.
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