How to map signed bike routes?

Where I live, many towns have signed bike routes which indicate the safest way to get from one place to another via smaller streets, despite not having proper bicycle infrastructure. These bike routes are sometimes even a few streets and are not a defined, cohesive route.

Example:
photo of green sign with a white bicycle icon and white lettering underneath that says Route

I like to mark bike lanes on the map so CyclOSM and other tools can use it. But what is the best way to tag these bicycle routes? Can it be done similarly to bike lanes?

You would usually collect all the streets/paths involved in a relation with network=lcn (local cycling network) or maybe network=rcn (regional cycling network) depending on length. See Cycle routes - OpenStreetMap Wiki for more details.

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From what you write it may be similar to “Knotenpunktnetzwerk” in German, here is a thread (you can translate it with the globe):

basically you don’t create route relations but map the guideposts and add lcn=yes to the connections

It sounds like these aren’t well-defined routes with start and end points. In that case, tag the individual roadways with lcn=yes.

If it does have a start and end point, then you’d map a route relation, tagging it as type=Route route=bicycle network=lcn and perhaps cycle_network=* if it’s part of a coherent system of similarly designated routes. But don’t create a single route relation for the whole web of streets just because of these signs.

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Thank you, I’ll use lcn=yes. What would you recommend to micomap the individual road sign? A guidepost with bicycle=yes?

https://wiki.openstreetmap.org/wiki/Key:bicycle

There’s also network relations for situations like this, where the network has some form of identity but isn’t a single well-defined route.

Your posted sign looks like a infomation=route_marker

(similar discussion in the german forum)

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In this case, this is the national standard sign for the very concept of an lcn=yes or bicycle=designated, so a network relation is probably overkill unless the whole network goes by a specific name that its users should know about.

This is a standard traffic sign assembly. The Ontario traffic sign tagging guide is just a stub at the moment, but the relevant traffic_sign=* values would be CA-ON:M511 and CA-ON:M301. In the U.S., the relevant traffic_sign=* values would be US:D11-1 and US:M6-1PR.

The entire M series of traffic signs function as route markers, but information=route_marker is for tourism=information, which would be more appropriate for an off-road marker of some sort.

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Thank you, this is very helpful!!