[Tagging] Clarification unclassified vs residential

Greg Troxel gdt at lexort.com
Sat Mar 2 03:29:29 UTC 2019

Mateusz Konieczny <matkoniecz at tutanota.com> writes:

> Mar 1, 2019, 8:48 PM by baloo at ursamundi.org:
>> On Wed, Feb 27, 2019, 13:57 Mateusz Konieczny <> matkoniecz at tutanota.com <mailto:matkoniecz at tutanota.com>> > wrote:
>>> Feb 27, 2019, 7:31 PM by >> baloo at ursamundi.org <mailto:baloo at ursamundi.org>>> :
>>>> motor_vehicle=no would exclude most emergency vehicles.
>>> No, it would not. motor_vehicle=no is a legal limitation.
>> And most emergency vehicles are motor vehicles.
> And emergency vehicle are exempt from traffic laws.

More or less true.   But the question is when OSM data is used for
emergency vehicle routin, what should be done?   Some things are still a
very bad idea, and some are ok but irregular.   The real point is to
compute a metric for traveling a route, so that the best  actual route
in an emergency is the lowest-weight route in the metric.

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