[Talk-GB] Dodgy bicycle tagging, was Re: help with reverting changeset (all cycleways in a particular area deleted)

[Nathan Case]

Though the wiki definition of bicycle=dismount is clearly where cycling is prohibited:

"indicates that riding bicycle is not allowed, but pushing bicycle is allowed."

A tweak in the definition would be needed, e.g., "...is not allowed or is discouraged..."

(Though I know the wiki is not authoritative)



________________________________
From: Jon Pennycook via Talk-GB <talk-gb at openstreetmap.org>
Sent: Tuesday, 19 April 2022, 23:12
To: Talk Gb <talk-gb at openstreetmap.org>
Subject: Re: [Talk-GB] Dodgy bicycle tagging, was Re: help with reverting changeset (all cycleways in a particular area deleted)

I would just stick with tagging as per the sign - if it says Dismount, tag it bicycle=dismount. The router should then take the decision what to do.

On Tue, 19 Apr 2022, 22:53 Tom Crocker, <tomcrockermail at gmail.com<mailto:tomcrockermail at gmail.com>> wrote:


On Tue, 19 Apr 2022, 22:15 Jass Kurn, <jasskurn at gmail.com<mailto:jasskurn at gmail.com>> wrote:
...
In the UK official "Cyclists Dismount" signs, by themselves, are not an order to step off your pedal cycle and walk. So bicycle=no/dismount should not be used by default. You should map the information the sign is providing.

UK blue "cyclists dismount " signs exist to inform a cyclist that for a short distance ahead cycling will be difficult for one of three reasons.
The three reasons are, and can only be
- Low Headroom
- Width Restriction
- Visibility Restricted to the point where cycling is unsafe

Low Headroom, and width, can both be mapped. Despite being fairly confident about UK legislation I'm still not sure what "restricted visibility" would be in practice.

Thanks for this. Presumably in these situations bicycle=discouraged would be appropriate though?

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