Author Topic: CT: CT 15, US 5, CT 2 around Hartford  (Read 219 times)

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Offline vdeane

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CT: CT 15, US 5, CT 2 around Hartford
« on: February 16, 2019, 06:48:32 pm »
I was browsing around this area today, and the points at these interchanges seem a little odd.  US 5 and CT 15 have the point where US 5 splits off centered where the ramps enter/exit rather than on Main Street, seemingly trying to capture East River Drive even though only one direction of US 5 would use it.  Neither US 5 nor CT 15 has a point at CT 2, and CT 2's 4A point is located a little south of US 5/CT 15.
Please note: All comments here represent my own personal opinion and do not reflect the official position of NYSDOT or its affiliates.

Offline yakra

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Re: CT: CT 15, US 5, CT 2 around Hartford
« Reply #1 on: February 17, 2019, 12:10:48 am »
Kind of an icky area here, with no real perfect way to handle it.
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US 5 and CT 15 have the point where US 5 splits off centered where the ramps enter/exit rather than on Main Street, seemingly trying to capture East River Drive even though only one direction of US 5 would use it.
Exactly. Treating this as a "misbehaving parclo" and cutting across the diagonal of the (NB ramps & Main / E River & SB ramps) couplet, between where the NB & SB alignments split at the ramp gores, to where they rejoin at SilLn.

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Neither US 5 nor CT 15 has a point at CT 2,
In this case, the ramp leaves the mainline along with the Main St / US5 N ramp, so I opted to go "1 point per interchange" and fold it into the 5/15 split point.

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and CT 2's 4A point is located a little south of US 5/CT 15.
This was informed by the odd, onramps-only layout, connecting here.

Offline Duke87

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Re: CT: CT 15, US 5, CT 2 around Hartford
« Reply #2 on: February 17, 2019, 05:17:19 pm »
One drawback of the implementation as it currently exists is that CT 2 does not have a graph connection with US 5 or CT 15.

Offline yakra

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Re: CT: CT 15, US 5, CT 2 around Hartford
« Reply #3 on: February 20, 2019, 12:43:33 am »
True. Thought of that, waited for someone to mention it. And you did. I'm amenable to adding a graph connection here.