Hi there,

Thank you for your contributions to the trails in Mt. Tabor Park! I agree that bikes can pose a danger to pedestrians on some of the trails. However, it's important that OpenStreetMap accurately reflects legality, even if it seems counterintuitive. For instance, cycling on freeways is allowed in Oregon (except in specific areas like Portland and Medford per OAR 734-020-0045), even though it's dangerous.

According to the official park map (https://www.portland.gov/documents/mt-tabor-park-trail-mappdf), only a couple of trails are closed to bicycles. So, if bicycles aren't explicitly prohibited on a trail, they should be considered allowed.

https://wiki.openstreetmap.org/wiki/Bicycle is a great resource for guidelines on mapping bicycle infrastructure. You might find AI tools like ChatGPT helpful for quick questions or clarifications as well.

That being said, not all trails should simply be tagged with bicycle=yes. Steep trails or trails that are too technical can be tagged with mtb=yes instead. Furthermore, if a trail ends in steps, or if it's covered in woodchips, too narrow, it might not be necessary to add a bicycle tag at all, as those footways aren't very suitable for cycling. But, at the same time, cycling isn't prohibited there. So they shouldn't have bicycle=no tags.

Thanks again for contributing to OSM, and I hope you’ll consider reverting the changes.

Alex