Regional Boards > Great Lakes and Ohio Valley
Kentucky
Georgia Guardrail:
Ah yes. I forgot that Bluegrass Parkway was tolled up till the early 1990s. That would explain the odd design. A lot of Kentucky interchanges with toll booths had the tight 4 cloverleaf type ramp systems that are now outdated. You can see remnants of them on the Bluegrass, Cumberland, and Western Parkways.
hbelkins:
--- Quote from: Georgia Guardrail on June 07, 2023, 12:01:06 AM ---Ah yes. I forgot that Bluegrass Parkway was tolled up till the early 1990s. That would explain the odd design. A lot of Kentucky interchanges with toll booths had the tight 4 cloverleaf type ramp systems that are now outdated. You can see remnants of them on the Bluegrass, Cumberland, and Western Parkways.
--- End quote ---
I'm thinking that this will be the very last of the toll booth interchanges ever converted, although it would probably be the easiest to convert. Construction costs probably wouldn't be too terribly high. Just tweak the points where the ramps intersect the parkway, close the interchange for a couple of weeks, and it's done. The reason I say it'll be the last one is because I'm sure the traffic volumes here are not high at all.
The last one on the Purchase is currently being converted as part of the I-69 project.
GCrites80s:
--- Quote from: Georgia Guardrail on June 07, 2023, 12:01:06 AM ---Ah yes. I forgot that Bluegrass Parkway was tolled up till the early 1990s. That would explain the odd design. A lot of Kentucky interchanges with toll booths had the tight 4 cloverleaf type ramp systems that are now outdated. You can see remnants of them on the Bluegrass, Cumberland, and Western Parkways.
--- End quote ---
Kentucky really stood out on U.S. maps in the '80s with its latticework of toll roads. Like if green was interstates, blue was toll roads and red was U.S. Routes Kentucky glowed blue.
seicer:
Add to it the Daniel Boone, Mountain, Audubon, Green River parkways, tolls allowed the state to build out its network decades ahead of other states.
Stephane Dumas:
--- Quote from: plain on June 06, 2023, 10:56:45 PM ---That design is the remnants of a single point toll plaza, where the mainline and all ramps used it. It's pretty much in the same vein as the typical cloverleaf toll plazas KY used.
EDIT:
Image from Historic Aerials, 1983
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There's another interchange of this kind who exist in Quebec where A-10 meet PQ-243. https://goo.gl/maps/KzVBZFQn3pLn2YG3A
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