[Talk-us] Splitting a HOV/express land without physical barrier

[Saikrishna Arcot]

Hi,

I see that currently, for one part of the I-405 express lane 
<https://www.openstreetmap.org/way/1007590306#map=16/47.7016/-122.1782> 
in Kirkland, WA, the express lanes are mapped as a separate way, even 
though there's no physical separation from the regular travel lanes 
except for a double solid white line. I think the accepted practice is 
that if there's no physical separation, then the lanes/road should be 
one single way, and not split out; however, the HOV wiki page 
<https://wiki.openstreetmap.org/wiki/Key:hov> says that if entry/exit is 
permitted only at certain points, then it's recommended to map it as a 
separate way. For these express lanes, entry/exit is not permitted 
across the double solid white line, and only in the dashed line areas, 
but it's not a single point; it can be a quarter-mile long.

In this case, should the express lanes on this road be fully separated 
out into its own ways, or should this be part of the main road?

-- 
Saikrishna Arcot
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