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[amroad17]

I believe INDOT did the smart and easy thing by adding 200 to the existing exits north of Indianapolis.  For example, why change EXIT 111 to EXIT 295?  Just easier to make it EXIT 311, retaining a semblance of the prior exit number.  Yes, they could have placed OLD EXIT XX signs along with the "new" exit numbers, however, INDOT saved some money by doing the add 200 procedure and letting the public know they were going to do this.  Besides, the only instances where an OLD EXIT XX sign should be erected is when a DOT changes from sequential exit numbers to mile-based exit numbers.

Look at I-17 in Arizona.  Is I-17 340 miles long, based on the exit number for I-40 in Flagstaff, AZ?  No, it is just shy of 146 miles long.  I-17's mile markers begin at 194 at I-10 in Phoenix.  When first commissioned, I-17 began at I-10 northwest of Phoenix as EXIT 200.  I-17 actually began as AZ 69, which itself had its southern terminus at US 60/US 89.  "Arizona had a milepost system in which a branching route that began at the "host" route would retain the existing milepost from that point.  In this case AZ 69 was considered a branch of US 89.  AZ 69 began at milepost 201.6, so AZ 69 counted up from 201.  I-17 inherited the milepost numbers from AZ 69 when I-17 was commissioned." (Wikipedia)

Would having the correct mileposts be wonderful?  Sure, it would.  It could be a psychological thing, especially on long trips.  However, it really does not matter if the mileposts are "off".  Most post interchange signs do not give the distance to the state line, mainly control points/cities are posted.  Besides, most all of us use some sort of internet mapping system to determine how far (and how much time) it is from Point A to Point B.

[rickmastfan67]

Besides, the only instances where an OLD EXIT XX sign should be erected is when a DOT changes from sequential exit numbers to mile-based exit numbers.

What about routes being shortened or extended?  I-279 & I-376 here in Pittsburgh gained all new exit numbers back in 2009 due to I-376 being extended & also taking over part of I-279.
example

[tdindy88]

Re: I-69 exit numbering.

When the section of I-69 from Evansville to Bloomington first opened, it needed exit numbers. At the same time, I-69 also took over what was previously I-164. The problem is that, at that time, nobody knew when or where the new I-69 bridge over the Ohio River was going to be built, and the final routing through northern Johnson and southern Marion counties was still unsettled. The decision was made to just leave the I-164 exit numbers as they were, starting with Exit 0 at the US 41 interchange, and proceed upward from there. That necessitated a renumbering of the existing section of I-69 north from Indy to avoid duplicate mile markers and exit numbers.

Once the new bridge is built, I-69 gets a new zero mile marker and the rest of the mileage markers immediately become inaccurate. Knowing that, INDOT decided to just add 200 to the existing numbers rather than try to guess what the right numbers would eventually be.

Judging by the maps from the Ohio River Crossing bridge I don't think there should be any problem with the exit numbers. The new I-69 corridor will meet the current highway around mile marker 1, maybe 1 1/2. Heading south it appears to be about one mile south to the state line (or the Ohio River bridge itself) so the mile markers should be almost just right.

[silverback1065]

INDOT did put the old exit signs up. no money was saved.  i remember seeing them.

[splashflash]

A major traffic shift is scheduled for next week to put southbound SR 37 onto the new elevated and bridges at Wicker Road and County Line Road, which means that SB traffic will no longer have to stop for signals around that area. Wicker Road and Bluff Road traffic will be using the new access road behind Glenns Valley Church to enter and exit SR 37 southbound. New interstate-style ramps will connect with a large roundabout at County Line Road west of SR 37. County Line Road east of SR 37 will close for two months for interchange construction.

http://www.wbiw.com/2022/05/25/the-new-portion-of-i-69-is-to-open-this-week-and-two-stoplights-are-to-be-removed/

[silverback1065]

it's insane how fast this stretch of 69 is coming. they're really working fast!

[abqtraveler]

it's insane how fast this stretch of 69 is coming. they're really working fast!

They said they're going to have the whole thing done, including the south leg of I-465 by the end of 2024. At the rate at which they're going they might be able to get it finished sooner if the weather allows them to.

[silverback1065]

it's insane how fast this stretch of 69 is coming. they're really working fast!

They said they're going to have the whole thing done, including the south leg of I-465 by the end of 2024. At the rate at which they're going they might be able to get it finished sooner if the weather allows them to.

Lightning fast! 

[Brooks]

Meanwhile Tennessee has as many miles of completed I-69 as it did 10 years ago.

[silverback1065]

Meanwhile Tennessee has as many miles of completed I-69 as it did 10 years ago.

  why is that? just not a priority for them?

[SkyPesos]

Meanwhile Tennessee has as many miles of completed I-69 as it did 10 years ago.

  why is that? just not a priority for them?

Probably because I-55/I-155 works as a "temporary" I-69 TN really well.

[codyg1985]

Meanwhile Tennessee has as many miles of completed I-69 as it did 10 years ago.

  why is that? just not a priority for them?

It really isn't, and they don't have as much money to work with as Indiana and Texas have to finish its portion of I-69. Nashville is where a lot of the money is going right now.

[Brooks]

Meanwhile Tennessee has as many miles of completed I-69 as it did 10 years ago.

  why is that? just not a priority for them?

Probably because I-55/I-155 works as a "temporary" I-69 TN really well.

It really doesn’t.

[Brooks]

Meanwhile Tennessee has as many miles of completed I-69 as it did 10 years ago.

  why is that? just not a priority for them?

It really isn't, and they don't have as much money to work with as Indiana and Texas have to finish its portion of I-69. Nashville is where a lot of the money is going right now.

This is pretty accurate. I’d say about 60% of the large projects currently underway in TN are in the Nashville metro. If you go to TDOT’s website, the Region 3 (Middle TN) page has almost double the amount of projects as the other regions.

[wanderer2575]

Besides, the only instances where an OLD EXIT XX sign should be erected is when a DOT changes from sequential exit numbers to mile-based exit numbers.

What about routes being shortened or extended?  I-279 & I-376 here in Pittsburgh gained all new exit numbers back in 2009 due to I-376 being extended & also taking over part of I-279.
example

At the risk of driving this thread off-topic, I-376 is its own unique animal and not the best example.  When the freeway's route designation was changed to I-376 (replacing a state route number; I forget which one), its posted cardinal orientation was also changed from north-south to east-west.

[Ryctor2018]

Meanwhile Tennessee has as many miles of completed I-69 as it did 10 years ago.

  why is that? just not a priority for them?

It really isn't, and they don't have as much money to work with as Indiana and Texas have to finish its portion of I-69. Nashville is where a lot of the money is going right now.

This is pretty accurate. I’d say about 60% of the large projects currently underway in TN are in the Nashville metro. If you go to TDOT’s website, the Region 3 (Middle TN) page has almost double the amount of projects as the other regions.

The schedule for the Union City section of I-69 has it opening maybe next year.

[rickmastfan67]

Besides, the only instances where an OLD EXIT XX sign should be erected is when a DOT changes from sequential exit numbers to mile-based exit numbers.

What about routes being shortened or extended?  I-279 & I-376 here in Pittsburgh gained all new exit numbers back in 2009 due to I-376 being extended & also taking over part of I-279.
example

At the risk of driving this thread off-topic, I-376 is its own unique animal and not the best example.  When the freeway's route designation was changed to I-376 (replacing a state route number; I forget which one), its posted cardinal orientation was also changed from north-south to east-west.

That may be the case, but when I-376 first took over the segment of I-279 (stage 1), while the cardinal directions changed, they still properly matched up on that segment (unlike with PA-60).  Still needed the 'old exit ##' stuff, but the direction was the same pretty much.