[Tagging] Divided highways, and not so divided highways, one way or two

Mateusz Konieczny matkoniecz at tutanota.com
Fri Oct 11 09:34:36 UTC 2019




11 Oct 2019, 11:09 by snusmumriken.mapper at runbox.com:

> On Fri, 2019-10-11 at 10:57 +0200, Mateusz Konieczny wrote:
>
>>
>>
>>
>> 11 Oct 2019, 10:50 by snusmumriken.mapper at runbox.com:
>> > On Fri, 2019-10-11 at 10:31 +0200, Martin Koppenhoefer wrote:
>> > > Am Fr., 11. Okt. 2019 um 10:26 Uhr schrieb Snusmumriken <
>> > > snusmumriken.mapper at runbox.com>:
>> > > > A level strip of grass can be crossed by any car. With a big
>> > > SUV
>> > > > you
>> > > > can cross curbs and so on. It's just a questions about how big
>> > > your
>> > > > car
>> > > > is and the nature of the physical separation. But I don't think
>> > > > that
>> > > > OSM should be about that, but rather to be a map database to be
>> > > > able to
>> > > > provide a _legal_ route from A to B.
>> > > 
>> > > 
>> > > 
>> > > what is not legal for you may be legal for someone else, for
>> > > example
>> > > an emergency vehicle...
>> > 
>> > Yes, exactly, but as I wrote "You have to remember that some
>> > physical
>> > separation are just as easy to cross as a painted line."
>> > 
>> > So a level strip of grass would be just as problematic for the
>> > emergency vehicle routing engine as a painted line.
>>
>> Maybe it depends on location but in
>> Poland emergency vehicles routinely
>> ignore road paintings, one-way restrictions,
>> traffic lights, turn restrictions etc.
>>
>> And I have never seen an emergency vehicle
>> crossing a grass median.
>>
>> And it seem obvious that crossing a grass median
>> is trickier than crossing just a painted line.
>>
>
> It is up to the driver. I think he can ignore most of the traffic laws
> in the cause of getting as fast and as safe to where he needs to go. So
> he would use his own judgment and not so much what a routing engine
> tells him what he can do.
>
The problem is the initial routing -
selecting nearest emergency vehicle(s),
initial proposed route etc.

And such software is also used for planning purposes - 
coverage of area by available firefighters etc.
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