This part got me thinking: "Chlewicki is [...] experimenting with some new "mutations" of the diverging diamond, as he puts it, combining them with roundabouts and other innovative traffic design."
Shoreline, WA (just north of Seattle, WA) is using exactly this to revise a highway overpass. They're putting in a roundabout ( coughrotarycough ) on either side of I-5 [1]
This part got me thinking: "Chlewicki is [...] experimenting with some new "mutations" of the diverging diamond, as he puts it, combining them with roundabouts and other innovative traffic design."
Shoreline, WA (just north of Seattle, WA) is using exactly this to revise a highway overpass. They're putting in a roundabout ( coughrotarycough ) on either side of I-5 [1]
[1] https://engage.shorelinewa.gov/145corridor - scroll down to the first image in the article.
I was kinda wondering where they got the idea from :)
[2] Direct link to image: https://s3-us-west-1.amazonaws.com/ehq-production-us-califor...