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Author Topic: Delaware  (Read 386472 times)

Alps

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Re: Delaware
« Reply #1625 on: December 04, 2020, 04:27:32 PM »

On a completely different note from what's been discussed, here's something interesting I've noticed when it comes to the DE state route system.  Usually, the odd numbered routes are north-south, and the even numbered routes are east-west similarly to the Interstate and US Highway systems with the exception of routes that are continuations of PA and MD state routes like route 52 and route 273 for instance.  One exception I notice is route 72 which is a north-south route despite the fact it's an even number, and it doesn't continue as a PA or MD state route.  Does anyone know why that's the case there?  What confuses me even more is that DE doesn't have a route 73, so why couldn't they have made this route 73 given that it's a north-south route?
"DE 72 was designated by 1942 to run from DE 2 (Main Street) in Newark north to DE 7, following Chapel Street and Paper Mill Road."
If Wiki is accurate, it was numbered to connect 7 to 2, so a better suggestion would be Route 27.

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Re: Delaware
« Reply #1626 on: December 05, 2020, 01:06:43 PM »

On a completely different note from what's been discussed, here's something interesting I've noticed when it comes to the DE state route system.  Usually, the odd numbered routes are north-south, and the even numbered routes are east-west similarly to the Interstate and US Highway systems with the exception of routes that are continuations of PA and MD state routes like route 52 and route 273 for instance.  One exception I notice is route 72 which is a north-south route despite the fact it's an even number, and it doesn't continue as a PA or MD state route.  Does anyone know why that's the case there?  What confuses me even more is that DE doesn't have a route 73, so why couldn't they have made this route 73 given that it's a north-south route?
"DE 72 was designated by 1942 to run from DE 2 (Main Street) in Newark north to DE 7, following Chapel Street and Paper Mill Road."
If Wiki is accurate, it was numbered to connect 7 to 2, so a better suggestion would be Route 27.

So with that being said, why route 72 as opposed to route 27, since Delaware doesn't have a route 27 either.
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Alex4897

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Re: Delaware
« Reply #1627 on: December 05, 2020, 01:54:20 PM »

On a completely different note from what's been discussed, here's something interesting I've noticed when it comes to the DE state route system.  Usually, the odd numbered routes are north-south, and the even numbered routes are east-west similarly to the Interstate and US Highway systems with the exception of routes that are continuations of PA and MD state routes like route 52 and route 273 for instance.  One exception I notice is route 72 which is a north-south route despite the fact it's an even number, and it doesn't continue as a PA or MD state route.  Does anyone know why that's the case there?  What confuses me even more is that DE doesn't have a route 73, so why couldn't they have made this route 73 given that it's a north-south route?
"DE 72 was designated by 1942 to run from DE 2 (Main Street) in Newark north to DE 7, following Chapel Street and Paper Mill Road."
If Wiki is accurate, it was numbered to connect 7 to 2, so a better suggestion would be Route 27.

So with that being said, why route 72 as opposed to route 27, since Delaware doesn't have a route 27 either.

I don't think Delaware's been remotely concerned with any semblance of a grid or numbering scheme since they laid the initial state highway system out in the '20s, the state is just too small for that to practically matter.
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Re: Delaware
« Reply #1628 on: December 12, 2020, 06:37:46 PM »

On a completely different note from what's been discussed, here's something interesting I've noticed when it comes to the DE state route system.  Usually, the odd numbered routes are north-south, and the even numbered routes are east-west similarly to the Interstate and US Highway systems with the exception of routes that are continuations of PA and MD state routes like route 52 and route 273 for instance.  One exception I notice is route 72 which is a north-south route despite the fact it's an even number, and it doesn't continue as a PA or MD state route.  Does anyone know why that's the case there?  What confuses me even more is that DE doesn't have a route 73, so why couldn't they have made this route 73 given that it's a north-south route?
"DE 72 was designated by 1942 to run from DE 2 (Main Street) in Newark north to DE 7, following Chapel Street and Paper Mill Road."
If Wiki is accurate, it was numbered to connect 7 to 2, so a better suggestion would be Route 27.
My thought was that, because DE has DE-52, DE-62, DE-72, DE-82, and DE-92 all running in the northern part of the state, they were numbered to imply relation to DE-2.  But I can't think of any other roads in DE that work like that (and what gives with DE-42?).
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Re: Delaware
« Reply #1629 on: December 14, 2020, 10:22:38 AM »

On a completely different note from what's been discussed, here's something interesting I've noticed when it comes to the DE state route system.  Usually, the odd numbered routes are north-south, and the even numbered routes are east-west similarly to the Interstate and US Highway systems with the exception of routes that are continuations of PA and MD state routes like route 52 and route 273 for instance.  One exception I notice is route 72 which is a north-south route despite the fact it's an even number, and it doesn't continue as a PA or MD state route.  Does anyone know why that's the case there?  What confuses me even more is that DE doesn't have a route 73, so why couldn't they have made this route 73 given that it's a north-south route?
"DE 72 was designated by 1942 to run from DE 2 (Main Street) in Newark north to DE 7, following Chapel Street and Paper Mill Road."
If Wiki is accurate, it was numbered to connect 7 to 2, so a better suggestion would be Route 27.
My thought was that, because DE has DE-52, DE-62, DE-72, DE-82, and DE-92 all running in the northern part of the state, they were numbered to imply relation to DE-2.  But I can't think of any other roads in DE that work like that (and what gives with DE-42?).

What about DE 24, DE 44, and DE 54, which are nowhere near DE 4?  :)

And DE 16, DE 26, and DE 36, which are nowhere near DE 6?  :biggrin:

ixnay
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Re: Delaware
« Reply #1630 on: December 14, 2020, 11:15:26 AM »

On a completely different note from what's been discussed, here's something interesting I've noticed when it comes to the DE state route system.  Usually, the odd numbered routes are north-south, and the even numbered routes are east-west similarly to the Interstate and US Highway systems with the exception of routes that are continuations of PA and MD state routes like route 52 and route 273 for instance.  One exception I notice is route 72 which is a north-south route despite the fact it's an even number, and it doesn't continue as a PA or MD state route.  Does anyone know why that's the case there?  What confuses me even more is that DE doesn't have a route 73, so why couldn't they have made this route 73 given that it's a north-south route?
"DE 72 was designated by 1942 to run from DE 2 (Main Street) in Newark north to DE 7, following Chapel Street and Paper Mill Road."
If Wiki is accurate, it was numbered to connect 7 to 2, so a better suggestion would be Route 27.
My thought was that, because DE has DE-52, DE-62, DE-72, DE-82, and DE-92 all running in the northern part of the state, they were numbered to imply relation to DE-2.  But I can't think of any other roads in DE that work like that (and what gives with DE-42?).

What about DE 24, DE 44, and DE 54, which are nowhere near DE 4?  :)

And DE 16, DE 26, and DE 36, which are nowhere near DE 6?  :biggrin:

ixnay

DE 52 and DE 82 are related to PA 52 and PA 82. 
I figured that DE 62, DE 72, and DE 92 are all continuing a New Castle County "pattern" of routes ending in 2 starting with DE 52.
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Re: Delaware
« Reply #1631 on: December 27, 2020, 07:58:07 PM »

The DelDOT used Ultra High Performance Concrete for the first time in September for a deck overlay on the Delaware Memorial Bridge
https://delawarebusinessnow.com/2020/09/6-2-million-project-to-test-new-form-of-concrete-paving-on-delaware-memorial-bridge/
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Re: Delaware
« Reply #1632 on: December 27, 2020, 10:03:47 PM »

I drove US 13 NB/US 40 EB yesterday to get onto I-295 in New Castle and saw that there has recently been a bus lane/right-turn only lane added from US 202/DE 141 to I-295.
« Last Edit: December 27, 2020, 10:09:47 PM by 74/171FAN »
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Re: Delaware
« Reply #1633 on: December 31, 2020, 05:46:13 PM »



The rebuilt 2nd Street ramp to I-95 SB in Wilmington opened yesterday according to WDEL.
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Re: Delaware
« Reply #1634 on: December 31, 2020, 05:56:34 PM »



The rebuilt 2nd Street ramp to I-95 SB in Wilmington opened yesterday according to WDEL.
What a sexy ramp. Good job Deldot.

Will we see an improvement in traffic merging? Lets hope so.


Happy new year AARoads. Love yall


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Re: Delaware
« Reply #1635 on: January 14, 2021, 05:28:19 PM »

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Re: Delaware
« Reply #1636 on: January 14, 2021, 08:43:03 PM »

What a sexy ramp.

I'll take "sentences no one outside this forum would say in a million years" for 500, Alex.
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Re: Delaware
« Reply #1637 on: January 17, 2021, 07:24:29 PM »

A project was recently bid by DelDOT for the I-95/DE 273 Interchange that includes changes on DE 273 WB and the I-95 off-ramps there.
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Re: Delaware
« Reply #1638 on: January 31, 2021, 09:28:34 PM »

Delaware is one of the remaining states that still numbers their exits sequentially (excluding, DE-1 which has kilometer-based exits, and US-301 (I think) is mile-based). Has the state announced any sort of plan to convert I-95, I-295 and I-495 to mileage-based exits?
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Re: Delaware
« Reply #1639 on: January 31, 2021, 11:54:13 PM »

Delaware is one of the remaining states that still numbers their exits sequentially (excluding, DE-1 which has kilometer-based exits, and US-301 (I think) is mile-based). Has the state announced any sort of plan to convert I-95, I-295 and I-495 to mileage-based exits?

US 301 is indeed mileage based.  You would think DelDOT could do it relatively quickly, but I haven't heard anything (and in the case of 295, it would be adding numbers).  If you did, it wouldn't be too hard:

I-95:

2 (A/B SB): DE 896
6 (A/B NB): DE 273
8 A/B: DE 1/DE 7
11 A/B: US 202 SOUTH/DE 141
12A (12 SB): I-295 NORTH
12B (NB ONLY): I-495 NORTH
14 (NB ONLY): DE 4
15A (SB ONLY): DE 4/DE 9
15 (NB) / 15B/C (SB) : DE 52
17: US 202 NORTH/DE 202 SOUTH
19: DE 3
21 (NB ONLY): Harvey Rd
23: DE 92 (NB; SB access via I-495) / I-495 SOUTH (SB). 

I-295:

1A (SB ONLY): DE 141 NORTH
1B (SB ONLY): I-95 NORTH
1C (SB ONLY): I-495 NORTH
2 A/B: US 13/US 40 WEST
2C (NB ONLY): Landers Lane
3 A/B: DE 9

I-495:

0 (SB ONLY): I-295 NORTH
1 (SB ONLY): DE 141
2: US 13 BUS (NB)/US 13 (SB)
3: DE 9A
4: 12th St
6 (A/B SB): US 13/DE 3
11 (A SB): US 13 (TO DE 92 NB)
11B (SB ONLY): DE 92
 

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Re: Delaware
« Reply #1640 on: February 01, 2021, 01:05:01 PM »

Delaware is one of the remaining states that still numbers their exits sequentially (excluding, DE-1 which has kilometer-based exits, and US-301 (I think) is mile-based). Has the state announced any sort of plan to convert I-95, I-295 and I-495 to mileage-based exits?

US 301 is indeed mileage based.  You would think DelDOT could do it relatively quickly, but I haven't heard anything (and in the case of 295, it would be adding numbers).  If you did, it wouldn't be too hard:

I-95:

2 (A/B SB): DE 896
6 (A/B NB): DE 273
8 A/B: DE 1/DE 7
11 A/B: US 202 SOUTH/DE 141
12A (12 SB): I-295 NORTH
12B (NB ONLY): I-495 NORTH
14 (NB ONLY): DE 4
15A (SB ONLY): DE 4/DE 9
15 (NB) / 15B/C (SB) : DE 52
17: US 202 NORTH/DE 202 SOUTH
19: DE 3
21 (NB ONLY): Harvey Rd
23: DE 92 (NB; SB access via I-495) / I-495 SOUTH (SB). 

I-295:

1A (SB ONLY): DE 141 NORTH
1B (SB ONLY): I-95 NORTH
1C (SB ONLY): I-495 NORTH
2 A/B: US 13/US 40 WEST
2C (NB ONLY): Landers Lane
3 A/B: DE 9

I-495:

0 (SB ONLY): I-295 NORTH
1 (SB ONLY): DE 141
2: US 13 BUS (NB)/US 13 (SB)
3: DE 9A
4: 12th St
6 (A/B SB): US 13/DE 3
11 (A SB): US 13 (TO DE 92 NB)
11B (SB ONLY): DE 92

Although the more I think about this, Delaware may be able to get away with keeping its sequential numbering on the Delaware Turnpike section of I-95 since that stretch is financed and maintained with toll revenues, not federal funding. It's the same reason why the New Jersey Turnpike still retains sequential exit numbering and non-standard highway signage.
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Re: Delaware
« Reply #1641 on: February 03, 2021, 07:42:15 PM »

Delaware is one of the remaining states that still numbers their exits sequentially (excluding, DE-1 which has kilometer-based exits, and US-301 (I think) is mile-based). Has the state announced any sort of plan to convert I-95, I-295 and I-495 to mileage-based exits?

US 301 is indeed mileage based.  You would think DelDOT could do it relatively quickly, but I haven't heard anything (and in the case of 295, it would be adding numbers).  If you did, it wouldn't be too hard:

I-95:

2 (A/B SB): DE 896
6 (A/B NB): DE 273
8 A/B: DE 1/DE 7
11 A/B: US 202 SOUTH/DE 141
12A (12 SB): I-295 NORTH
12B (NB ONLY): I-495 NORTH
14 (NB ONLY): DE 4
15A (SB ONLY): DE 4/DE 9
15 (NB) / 15B/C (SB) : DE 52
17: US 202 NORTH/DE 202 SOUTH
19: DE 3
21 (NB ONLY): Harvey Rd
23: DE 92 (NB; SB access via I-495) / I-495 SOUTH (SB). 

I-295:

1A (SB ONLY): DE 141 NORTH
1B (SB ONLY): I-95 NORTH
1C (SB ONLY): I-495 NORTH
2 A/B: US 13/US 40 WEST
2C (NB ONLY): Landers Lane
3 A/B: DE 9

I-495:

0 (SB ONLY): I-295 NORTH
1 (SB ONLY): DE 141
2: US 13 BUS (NB)/US 13 (SB)
3: DE 9A
4: 12th St
6 (A/B SB): US 13/DE 3
11 (A SB): US 13 (TO DE 92 NB)
11B (SB ONLY): DE 92

Although the more I think about this, Delaware may be able to get away with keeping its sequential numbering on the Delaware Turnpike section of I-95 since that stretch is financed and maintained with toll revenues, not federal funding. It's the same reason why the New Jersey Turnpike still retains sequential exit numbering and non-standard highway signage.
While technically true, that's where the similarity ends.  Whereas the entire Delaware Turnpike is I-95; the entire length of the NJ Turnpike is not. 

The former has no real challenges with converting all its interchanges while the latter one could debate which mileage the I-95 portion of the NJ Turnpike north of Exit 6 will take; the shorter I-95 mileage (Exit 6 falls coincidentally along I-95's projected Mile Marker 6) or the NJ Turnpike's mileage (Exit 6 is at/near the Turnpike's Mile Marker 51).
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Re: Delaware
« Reply #1642 on: February 03, 2021, 10:53:48 PM »


I-95:

2 (A/B SB): DE 896
6 (A/B NB): DE 273
8 A/B: DE 1/DE 7
11 A/B: US 202 SOUTH/DE 141
12A (12 SB): I-295 NORTH
12B (NB ONLY): I-495 NORTH

14 (NB ONLY): DE 4
15A (SB ONLY): DE 4/DE 9
15 (NB) / 15B/C (SB) : DE 52
17: US 202 NORTH/DE 202 SOUTH
19: DE 3
21 (NB ONLY): Harvey Rd
23: DE 92 (NB; SB access via I-495) / I-495 SOUTH (SB). 

Something ain't right about the suggested Exit numbers on 95 for 295 and 495.  The 2 interchanges are 1.4 miles apart, so they shouldn't both be associated with Interchange 12.
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Re: Delaware
« Reply #1643 on: February 05, 2021, 04:54:27 PM »

Virtual public meetings are scheduled for the I-95/DE 896 Interchange and the DE 24 Corridor on February 16th and 25th respectively.
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Re: Delaware
« Reply #1644 on: February 05, 2021, 05:33:15 PM »

Virtual public meetings are scheduled for the I-95/DE 896 Interchange and the DE 24 Corridor on February 16th and 25th respectively.

I wonder what DelDOT's assessment is of the stopgap improvements at 95/896 in terms of safety/congestion.  I knew they reduced 95 NB to 3 lanes passing thru exit 1 (with the onramp from 896 NB becoming the 4th lane), but didn't realize until this past weekend that 896 NB was reduced to 1 lane between the ramp to 95 NB and the ramp from 95 SB as well.
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Re: Delaware
« Reply #1645 on: February 07, 2021, 12:45:01 PM »


I-95:

2 (A/B SB): DE 896
6 (A/B NB): DE 273
8 A/B: DE 1/DE 7
11 A/B: US 202 SOUTH/DE 141
12A (12 SB): I-295 NORTH
12B (NB ONLY): I-495 NORTH

14 (NB ONLY): DE 4
15A (SB ONLY): DE 4/DE 9
15 (NB) / 15B/C (SB) : DE 52
17: US 202 NORTH/DE 202 SOUTH
19: DE 3
21 (NB ONLY): Harvey Rd
23: DE 92 (NB; SB access via I-495) / I-495 SOUTH (SB). 

Something ain't right about the suggested Exit numbers on 95 for 295 and 495.  The 2 interchanges are 1.4 miles apart, so they shouldn't both be associated with Interchange 12.
Agreed.

FWIW:
I-95 northbound's MM 12.0 just past the I-495 northbound ramp
Such being the case, assigning the ramp for I-495 North as Exit 12 would be valid.

Last visible I-95 northbound MM 10.3 marker prior to the I-295 split
Wouldn't such be Exit 10 off I-95?

I-295 northbound's MM 0.0 at the split, prior to the DE 141 interchange
Wouldn't the DE 141 be I-295 northbound's Exits 1 A-B instead of I-95's numbering (sequential and/or mile-marker based)?  Such wouldn't be the first time DE has had different exit numbers for the same interchange. 

Case & point:
The ramp for I-495 southbound off I-95 southbound is Exit 11  Note: the sign at the actual split has no exit tab
The southbound ramp for DE 92 is Exit 6 off I-495 while the I-95 northbound ramp at the same interchange for DE 92 is Exit 11 off I-95

Given the above; there should be some consistency with the interchange numbering with respect to which corridor.
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Re: Delaware
« Reply #1646 on: February 08, 2021, 05:22:51 PM »

Delaware is one of the remaining states that still numbers their exits sequentially (excluding, DE-1 which has kilometer-based exits, and US-301 (I think) is mile-based). Has the state announced any sort of plan to convert I-95, I-295 and I-495 to mileage-based exits?

US 301 is indeed mileage based.  You would think DelDOT could do it relatively quickly, but I haven't heard anything (and in the case of 295, it would be adding numbers).  If you did, it wouldn't be too hard:

I-95:

2 (A/B SB): DE 896
6 (A/B NB): DE 273
8 A/B: DE 1/DE 7
11 A/B: US 202 SOUTH/DE 141
12A (12 SB): I-295 NORTH
12B (NB ONLY): I-495 NORTH
14 (NB ONLY): DE 4
15A (SB ONLY): DE 4/DE 9
15 (NB) / 15B/C (SB) : DE 52
17: US 202 NORTH/DE 202 SOUTH
19: DE 3
21 (NB ONLY): Harvey Rd
23: DE 92 (NB; SB access via I-495) / I-495 SOUTH (SB). 

I-295:

1A (SB ONLY): DE 141 NORTH
1B (SB ONLY): I-95 NORTH
1C (SB ONLY): I-495 NORTH
2 A/B: US 13/US 40 WEST
2C (NB ONLY): Landers Lane
3 A/B: DE 9

I-495:

0 (SB ONLY): I-295 NORTH
1 (SB ONLY): DE 141
2: US 13 BUS (NB)/US 13 (SB)
3: DE 9A
4: 12th St
6 (A/B SB): US 13/DE 3
11 (A SB): US 13 (TO DE 92 NB)
11B (SB ONLY): DE 92

Although the more I think about this, Delaware may be able to get away with keeping its sequential numbering on the Delaware Turnpike section of I-95 since that stretch is financed and maintained with toll revenues, not federal funding. It's the same reason why the New Jersey Turnpike still retains sequential exit numbering and non-standard highway signage.
While technically true, that's where the similarity ends.  Whereas the entire Delaware Turnpike is I-95; the entire length of the NJ Turnpike is not. 

The former has no real challenges with converting all its interchanges while the latter one could debate which mileage the I-95 portion of the NJ Turnpike north of Exit 6 will take; the shorter I-95 mileage (Exit 6 falls coincidentally along I-95's projected Mile Marker 6) or the NJ Turnpike's mileage (Exit 6 is at/near the Turnpike's Mile Marker 51).

And the other thought I had that when Delaware gets around to converting to mile-based exit numbers, would they convert DE-1 from kilometer-based to mile-based as well? I recall that DE-1 was built in the 1990s at a time when there was a big push for the US to adopt the metric system, an initiative that ultimately fizzled out.
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2-d Interstates traveled:  4, 5, 8, 10, 15, 20, 24, 25, 27, 29, 35, 37, 39, 40, 41, 43, 45, 49, 55, 57, 64, 65, 66, 69, 70, 71, 74, 75, 76(E), 77, 78, 81, 83, 85, 87(N), 89, 90, 91, 93, 94, 95

2-d Interstates Clinched:  12, 22, 30, 44, 59, 80, 84(E), 86(E), 238, H1, H2, H3, H201

jp the roadgeek

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Re: Delaware
« Reply #1647 on: February 08, 2021, 08:14:54 PM »

Well, since, we're at it, here is what I figure DE 1 would look like if converted to miles (including some new exits in the Milford area)

Exit 39: DE 30
Exit 40 (NB ONLY): DE 1 BUS NORTH
Exit 41: DE 36
Exit 42: DE 14 WEST
Exit 44 (SB ONLY): US 113/DE 1 BUS SOUTH
Exit 46: Thompsonville Rd
Exit 48: Frederica Rd
Exit 50: DE 12 WEST
Exit 56 (A NB): DE 9 NORTH
Exit 56B (NB ONLY): Dover AFB Commercial Gate
Exit 57: Dover AFB Main/Visitors Gate
Exit 58 (NB ONLY): DE 10 WEST
Exit 59 (SB ONLY): TO DE 10/Dover AFB North Gate
Exit 60 (SB ONLY): TO US 13
Exit 61 (SB ONLY): DE 8
Exit 65: US 13 TO DE 8
Exit 71: US 13 (TO DE 6/DE 300 NB)
Exit 75 (A/B SB): US 13 (TO DE 6/DE 300 SB A)
Exit 85: DE 299 TO US 13
Exit 89: US 13/DE 896 (TO US 301 SOUTH NB)
Exit 90 (SB ONLY): US 301 SOUTH
Exit 92 (SB ONLY): US 13
Exit 94: DE 72 TO DE 7 (NB) // US 13 SOUTH/DE 72 (SB)
Exit 97A (SB ONLY): DE 71
Exit 97 (B SB): US 13 NORTH
Exit 99: US 40
Exit 100: DE 273
Exit 101: DE 7 SOUTH
Exit 102A (NB ONLY): I-95 NORTH (Flyover)
Exit 102 B/C: I-95
Exit 103: DE 58

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PurdueBill

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Re: Delaware
« Reply #1648 on: February 10, 2021, 01:29:55 PM »

And the other thought I had that when Delaware gets around to converting to mile-based exit numbers, would they convert DE-1 from kilometer-based to mile-based as well? I recall that DE-1 was built in the 1990s at a time when there was a big push for the US to adopt the metric system, an initiative that ultimately fizzled out.

For the northernmost exits, such would be a return to mile-based numbers.  I remember when starting at UD seeing exits 96-101 at the northern end, with Mall Road being 100 and I-95 being 101.  I wonder if they would get the same numbers today, or if it matters.  With changes in routing based on the more recently constructed sections, I could see things being changed by 1 or so.

Delaware has to be the only place with mileage (US 301), consecutive (I-95, 495), and km-based (DE 1) exit numbers simultaneously.  Route 141 seems to have numbers that are close enough already for mileage; good enough to stay as they are. 
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Re: Delaware
« Reply #1649 on: February 10, 2021, 11:55:36 PM »

And the other thought I had that when Delaware gets around to converting to mile-based exit numbers, would they convert DE-1 from kilometer-based to mile-based as well? I recall that DE-1 was built in the 1990s at a time when there was a big push for the US to adopt the metric system, an initiative that ultimately fizzled out.

For the northernmost exits, such would be a return to mile-based numbers.  I remember when starting at UD seeing exits 96-101 at the northern end, with Mall Road being 100 and I-95 being 101.  I wonder if they would get the same numbers today, or if it matters.  With changes in routing based on the more recently constructed sections, I could see things being changed by 1 or so.

Delaware has to be the only place with mileage (US 301), consecutive (I-95, 495), and km-based (DE 1) exit numbers simultaneously.  Route 141 seems to have numbers that are close enough already for mileage; good enough to stay as they are. 
Meanwhile, AZ has km, normal miles, and I-17's numbers that don't start anywhere near zero.

 


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