Avoiding Dangerous Areas - Hazards

[daniel-j-h]

There's a thread on tagging discussing how to tag dangerous areas for routers:
https://lists.openstreetmap.org/pipermail/tagging/2016-November/030581.html

This made me discover the hazard= tag.

Here is what we could do, and what should be done in separate tasks:

• limit speed for example for hazard=curve
• return Notifications for some of these Notifications for Tunnels, Toll stations, etc. #3028 in the response
• similar to @jakepruitt's service road avoidance Add logic to avoid service roads in the car profile using edge weight #3276 do the same for dangerous areas

From our point of view tags on ways would be quite easy to support.
Tags on nodes or relations affecting ways are harder to support at the moment.

[github-actions]

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