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Author Topic: Illinois Tollway Notes  (Read 84554 times)

Henry

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Re: Illinois Tollway Notes
« Reply #950 on: June 10, 2019, 09:52:37 AM »

I agree ...Also with 755.They also should have used 41 because the Tristate is worthy of a 2di.
the OLD toll us 41 is not coming back.
I think he meant I-41.
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ilpt4u

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Re: Illinois Tollway Notes
« Reply #951 on: June 10, 2019, 01:18:51 PM »

I agree ...Also with 755.They also should have used 41 because the Tristate is worthy of a 2di.
the OLD toll us 41 is not coming back.
I think he meant I-41.
The fact that the Tri-State used to be Toll US 41 is (at least) part of the reason applying the Toll I-41 designation would be appropriate

It is a major enough route to justify a 2di (for the entire route), and since I-41 now exists, continue the I-94 multiplex till the current 94/294 split, and either keep 94 Downtown and replace 294 with 41, or replace 294 with 94 and replace 94 Downtown with 41. Either assignment has advantages, but I would have a slight preference to keeping 94 thru Downtown and 41 (back) on the entire Tri-State

Could ISTHA apply for I-41 on their own, or would IDOT have to be involved? Not saying either would - I know I have not read anything from either agency regarding interest in the I-41 designation
« Last Edit: June 10, 2019, 01:22:01 PM by ilpt4u »
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SEWIGuy

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Re: Illinois Tollway Notes
« Reply #952 on: June 10, 2019, 02:36:23 PM »

I agree ...Also with 755.They also should have used 41 because the Tristate is worthy of a 2di.
the OLD toll us 41 is not coming back.
I think he meant I-41.
The fact that the Tri-State used to be Toll US 41 is (at least) part of the reason applying the Toll I-41 designation would be appropriate

It is a major enough route to justify a 2di (for the entire route), and since I-41 now exists, continue the I-94 multiplex till the current 94/294 split, and either keep 94 Downtown and replace 294 with 41, or replace 294 with 94 and replace 94 Downtown with 41. Either assignment has advantages, but I would have a slight preference to keeping 94 thru Downtown and 41 (back) on the entire Tri-State

Could ISTHA apply for I-41 on their own, or would IDOT have to be involved? Not saying either would - I know I have not read anything from either agency regarding interest in the I-41 designation


Since Illinois blocked any attempt to extend an existing interstate over US-41, I doubt they will have any interest in renumbering the Tri-State.
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cabiness42

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Re: Illinois Tollway Notes
« Reply #953 on: June 12, 2019, 02:28:00 PM »

I agree ...Also with 755.They also should have used 41 because the Tristate is worthy of a 2di.
the OLD toll us 41 is not coming back.
I think he meant I-41.
The fact that the Tri-State used to be Toll US 41 is (at least) part of the reason applying the Toll I-41 designation would be appropriate

It is a major enough route to justify a 2di (for the entire route), and since I-41 now exists, continue the I-94 multiplex till the current 94/294 split, and either keep 94 Downtown and replace 294 with 41, or replace 294 with 94 and replace 94 Downtown with 41. Either assignment has advantages, but I would have a slight preference to keeping 94 thru Downtown and 41 (back) on the entire Tri-State

Could ISTHA apply for I-41 on their own, or would IDOT have to be involved? Not saying either would - I know I have not read anything from either agency regarding interest in the I-41 designation


Since Illinois blocked any attempt to extend an existing interstate over US-41, I doubt they will have any interest in renumbering the Tri-State.

Renumbering the interstates in Chicagoland makes a bunch of sense to us roadgeeks, but in the real world it's a very large and unnecessary expense and would cause some confusion for quite a while until people got used to the changes.
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ilpt4u

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Re: Illinois Tollway Notes
« Reply #954 on: June 12, 2019, 03:01:01 PM »

Except for the fact some have already been renumbered...If at first you don’t succeed, try try again

Eliminate 290 & 294. Extend 41, 88, and 355. Christen 388.

Thats less change than has historically been done...

I would even say giving the Tri-State the I-41 designation makes the most sense of any changes...Is not part of the Interstate System idea to have route continuity, especially across state lines?
« Last Edit: June 12, 2019, 03:04:26 PM by ilpt4u »
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3467

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Re: Illinois Tollway Notes
« Reply #955 on: June 12, 2019, 06:41:47 PM »

I agree. You Chicago people need to go to the toll authority meetings. I would go with Interstate 53 for 355 if extended. Also sticking 110 on the Ike  and Reagan didn't cause a crisis because people use the names anyway and those have been changed a lot.
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ilpt4u

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Re: Illinois Tollway Notes
« Reply #956 on: June 12, 2019, 07:07:38 PM »

The only way I might get behind I-53 for I-355 is if the IL 53/120 Extension is built along with FAP 420 to connect to the US 12 Freeway in WI...

But even that is rough, since IL 53 is the parallel route to or already on part of the I-355/I-290/IL 53 Freeway. Then again, WI shows us that I-41 and US 41 can multiplex

I like the 355 number, because its an anagram of 53, the route it parallels and upgraded. Whether that went into the decision when originally designated...probably not. 455 was clearly considered for the route at some point
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Revive 755

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Re: Illinois Tollway Notes
« Reply #957 on: June 12, 2019, 10:08:49 PM »

I-355, even if eventually extended well into Wisconsin, does not deserve/warrant an odd two digit number, giving the lack of available numbers.  If the corridor were to make it close to Madison it would be better as a relocation of I-90, with existing I-90 between I-290 and I-39 changed to a 3di or renumbered as an even I-8x (with the possibility of being extended westward into Iowa someday).

Now if I-355 gets extended into Indiana and begins consuming US 41 across that state, I would be more open to a two digit designation.
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mvak36

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Re: Illinois Tollway Notes
« Reply #958 on: June 13, 2019, 09:06:39 AM »

https://www.chicagotribune.com/suburbs/daily-southtown/ct-sta-tollway-interchange-st-0609-story.html

Quote
Work will get underway this summer on the second phase of a massive project linking Interstates 294 and 57, according to the Illinois Tollway.

Construction will include building four ramps as well as reconstructing the median along a portion of I-57 as well as widening a stretch of that interstate, according to the Tollway.

The Tollway will hold an open house to provide information on the next phase from 4 to 7 p.m. June 25 at the Illinois Department of Employment Security office at 16845 S. Halsted St., Harvey.

The initial phase of work, opened to traffic in October 2014, partially resolved a problem area officials had been wrestling with for years.

Where the two interstates cross near Harvey, Markham and Posen was one of two locations in the country where two interstate highways meet without connecting.

To get from one highway to the other, cars and trucks typically use Interstate 80 or 159th Street through Markham.

The initial phase that opened to traffic includes ramps connecting the southbound 294/Tri-State Tollway with southbound I-57 and northbound I-57 with northbound I-294. Also completed were ramps from the southbound Tri-State to 147th Street, and from 147th to the Tri-State’s northbound lanes.

The second phase will include building ramps connecting southbound I-57 to northbound I-294 and linking northbound I-294 to northbound I-57.
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ilpt4u

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Re: Illinois Tollway Notes
« Reply #959 on: June 13, 2019, 11:52:55 AM »

That quoted article says 57/294 was 1 of 2 places interstates met but did not connect...

I guess the NJTP Extension to meet the PATP was not officially signed as an interstate at that time...so maybe it can slide. It is now I-95, so there is a 95/295 instance now

57/294, 95/276, 76/81, 80/271, 80-90/475...and arguably Breezewood...At least the first 2 are no more, with partial connections. Still quite creative math to be only 1 of 2

Regardless, it is good to see ISTHA is moving forward to finish the interchange
« Last Edit: June 13, 2019, 11:57:51 AM by ilpt4u »
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jwags

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Re: Illinois Tollway Notes
« Reply #960 on: June 13, 2019, 11:56:19 AM »

That quoted article says 57/294 was 1 of 2 places interstates met but did not connect...

I guess the NJTP Extension to meet the PATP was not officially signed as an interstate at that time...so maybe it can slide. It is now I-95, so there is a 95/295 instance now

57/294, 95/276, 76/81...and arguably Breezewood...At least the first 2 are no more, with partial connections

Regardless, it is good to see ISTHA is moving forward to finish the interchange

80/476 is another one
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ilpt4u

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Re: Illinois Tollway Notes
« Reply #961 on: June 13, 2019, 11:58:43 AM »

Yup, and I edited my post with the 2 on the Ohio Turnpike as well
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mvak36

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Re: Illinois Tollway Notes
« Reply #962 on: June 13, 2019, 01:31:47 PM »

That quoted article says 57/294 was 1 of 2 places interstates met but did not connect...

I guess the NJTP Extension to meet the PATP was not officially signed as an interstate at that time...so maybe it can slide. It is now I-95, so there is a 95/295 instance now

57/294, 95/276, 76/81, 80/271, 80-90/475...and arguably Breezewood...At least the first 2 are no more, with partial connections. Still quite creative math to be only 1 of 2

Regardless, it is good to see ISTHA is moving forward to finish the interchange

It's possible the other one they were talking about was where I-271 and I-80 cross in Ohio. I don't know what they used as the criteria though.

EDIT: Here's the project site: https://www.illinoistollway.com/projects/tri-state/294-57-interchange
« Last Edit: June 13, 2019, 09:26:57 PM by mvak36 »
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mgk920

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Re: Illinois Tollway Notes
« Reply #963 on: June 13, 2019, 09:51:16 PM »

That quoted article says 57/294 was 1 of 2 places interstates met but did not connect...

I guess the NJTP Extension to meet the PATP was not officially signed as an interstate at that time...so maybe it can slide. It is now I-95, so there is a 95/295 instance now

57/294, 95/276, 76/81...and arguably Breezewood...At least the first 2 are no more, with partial connections

Regardless, it is good to see ISTHA is moving forward to finish the interchange

80/476 is another one

Also I-81/476 on the south end of Scranton, PA.

Would I-76/99 count?

Mike
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Revive 755

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Re: Illinois Tollway Notes
« Reply #964 on: June 13, 2019, 10:08:43 PM »

^ I'm pretty sure there's a list somewhere on the forum already with all of the places where two interstates cross without a direct interchange.  Probably even from discussion of the previous phase of the I-57/I-294 interchange.
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ilpt4u

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Re: Illinois Tollway Notes
« Reply #965 on: June 13, 2019, 11:53:25 PM »

Anyone email the author of the article, to determine how 57/294 was decided as “one of two” intersections that this occurs?

I am considering it

https://www.aaroads.com/forum/index.php?topic=98.0 is the older thread on the 57/294 interchange
« Last Edit: June 14, 2019, 12:12:44 AM by ilpt4u »
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Revive 755

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Re: Illinois Tollway Notes
« Reply #966 on: June 15, 2019, 11:08:23 PM »

Beams are up over the WB lanes of I-90 for the future I-490 ramps.
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