[Talk-us] What is the meaning of hgv:national_network=yes/terminal_access?

[Mike N]

hgv=destination is the closest, but I'm not exactly sure how routers 
treat 'destination'.   Some of these look like they carry some 'through 
traffic' in addition to the classic termination at a facility.


On 8/5/2019 9:07 AM, Joseph Eisenberg wrote:
> hgv:national_network=terminal_access means > "a road which can carry
> cargo trucks and has an adequate turn-around facility at the end"
> 
> Great, that's helpful. So it sounds like this tag is a synonym for
> hgv=destination or hgv=yes?
> 
> Joseph
> 
> On 8/5/19, Mike N <niceman at att.net> wrote:
>> Hi, "Terminal Access" appears to be unique to California, and generally
>> means a road which can carry cargo trucks and has an adequate
>> turn-around facility at the end.   They most often provide access for
>> cargo pick-up or delivery.   (at least one area says it does not include
>> oversize trucks)
>>
>>     Regards,
>>
>>     Mike Nice
>>
>> On 8/5/2019 6:33 AM, Joseph Eisenberg wrote:
>>> Ok, thanks! I've created a wiki page at Key:hgv:national_network
>>>
>>> It's still not clear to me what the tag
>>> hgv:national_network=terminal_access means - please add if you can
>>> tell from the data in your area, perhaps?
>>>
>>> Joseph
>>>
>>> On Mon, Aug 5, 2019 at 1:13 AM Mike N <niceman at att.net> wrote:
>>>>
>>>>
>>>> This was part of the iterative road improvement after TIGER as we began
>>>> with major highways.?? ?? I believe it came from the public domain
>>>> information for the National Network
>>>> https://ops.fhwa.dot.gov/freight/infrastructure/national_network.htm .
>>>>
>>>> On 8/4/2019 10:56 AM, Joseph Eisenberg wrote:
>>>>> I've found this undocumented tag, used 130,000 times, almost
>>>>> exclusively in the USA.
>>>>>
>>>>> https://taginfo.openstreetmap.org/keys/hgv%3Anational_network#overview
>>>>>
>>>>> Values: yes 86.56%?? ??terminal_access 13.37%
>>>>>
>>>>> I thought it might be imported from Tiger, but the usage has increased
>>>>> gradually since 2012: 60k more ways have been tagged in that time.
>>>>>
>>>>> How are these tags being used?
>>>>>
>>>>> I'm guessing that hgv:national_network=yes means that a road is
>>>>> designated for heavy trucks to use for long-distance trips.
>>>>>
>>>>> Perhaps hgv:national_network=terminal_access means that heavy trucks
>>>>> can only use a road if their destination is on it, or near it?
>>>>>
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>>>>>
>>>>
>>>>
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>>
>>
>