[Tagging] Free of charge segments of formally paid road

[Dian Ågesson]

Good Point;

In that case, perhaps we could invert the condition?

toll = no

toll:conditional = yes @ (through_traffic)

Dian

On 2022-06-01 11:21, Alexey Zakharenkov wrote:

>> 1 июня 2022 г., в 8:03, Dian Ågesson <me at diacritic.xyz> написал(а):
>> 
>> Hi Alexey,
>> 
>> In my opinion you would be better placed using conditions to map cases 
>> in which a toll road can be used without charge. This would imply that 
>> a toll is applicable for all traffic, unless they are going to leave 
>> the tollway before the next toll point
>> 
>> Something such as:
>> 
>> toll = yes
>> 
>> toll:conditional = no @ (destination)  OR toll:conditional = no @ 
>> (local_traffic) OR toll:conditional = no @ (next_exit)
> 
> Nice touch, but we must think of current meaning of tags. key:toll wiki 
> page says: "Only portions of way from which there is no "escape" except 
> for a U-turn should be marked as toll", so such free segments are 
> tagged with or silently imply toll=no. Your approach would invert the 
> tag meaning and oblige all data users urgently start to take into 
> account new conditionals.
> 
> Best, Alexey
> 
> Dian
> 
> On 2022-05-31 20:11, Alexey Zakharenkov wrote:
> 
> Hello, mappers.
> 
> Sorry for duplication. Removed HTML format here.
> 
> Formally paid roads may have segments that can be passed without need 
> to pay. Let's consider a long road which, by documents, is declared to 
> be paid, a billboard at its beginning containing a notice "N-th to M-th 
> km of the road is paid". Still there may be segments which can be 
> entered and left without actual need to pay. It's possible if two other 
> roads are connected to the paid road between two consecutive toll 
> booths/gantries and if the road operator allows such maneuver.
> 
> I ask for advice of the better method to tag such segments, which 
> (according to wiki) must not have toll=yes tag. My ideas are:
> 
> 1) toll=designated
> 
> I think this is a good usage of well established 'designated' value to 
> indicate that something has a signature of having some property. This 
> should not even break software that relies on toll=yes/no boolean logic 
> because only toll=yes/1/true is logical TRUE whereas 
> no/designated/whatever is FALSE.
> 
> 2) toll:designated=yes
> 
> is good because it does not interfere with existing tags.
> 
> Best regards,
> Alexey
> 
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