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

[Mike N]

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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