I'm sure that there are plenty of interstate segments nationwide that have had their route number designation changed. But are there any like the stretch of I-275 in Hillsborough/Pinellas Counties in Florida that have changed TWICE?
When the section between Malfunction Junction (present I-4/I-275 junction) in Tampa and 9th St in St. Petersburg opened, it was known as I-4. In the early-1970's, around the time that the extension to 54th Avenue N opened, it was known as I-75. By 1980, it had changed again, to I-275.
Where else has this been done?
Parkway West here in Pittsburgh. Started out as I-70, then in 1963 it became I-79. Then in 1972, it became I-76, and then in 1973, it became I-279. And finally, in 2009, it became I-376.
http://www.pahighways.com/interstates/I279.html
I-84 to I-86 back to I-84 in CT and MA. If that counts.
Weren't there some changes on the Knoxville interstate numbering over the years?
Quote from: Rothman on December 27, 2015, 08:54:36 AM
Weren't there some changes on the Knoxville interstate numbering over the years?
Ehhh...only once. I-75 was I-275 up until 1982, when it became I-275.
I-95 to I-895 back to I-95 in DE. Also I-495 to I-95 to I-495.
Can we count US 6A to CT 66 to I-691 in Meriden, CT? How about (planned) I-82 to I-84 to I-384 in CT?
Loveland, Iowa to Avoca:
I-80
I-80N
I-680
Philadelphia:
I-680 to I-676 to I-76 (The Lower Schuykill Expressway)
I-80S to I-76 to I-676 (Vine Street Expressway)
Addenda:
WIKI does not concur with my recollection of the current I-680 in Iowa having ever been signed I-80, instead, always having been designated I-80N from the get go.
Hell to get old I suppose, but I was pretty sure it wasn't I-80N until the diagonal segment from Avoca to Council Bluffs was completed some years later and took the I-80 designation at that time, and then for a few years it was I-80N till I-680 was completed.
I'll do some more checking . . .
:confused:
In Missouri, I-255 east of I-55 was changed from I-255 to I-270 around 1974, then back to I-255 around 1984.
North of Trenton: I-295 (US 1 to planned Somerset Freeway), I-95, then a mix of I-195, I-295, I-395 before finally settling on extending 295.
Poo.
Really looks like from day one that section of interstate was tagged I-80N, they were aware the eventual I-80 alignment would pass that segment and signed according;y till it was rechristened i-680.
Quote from: JardineReally looks like from day one that section of interstate was tagged I-80N, they were aware the eventual I-80 alignment would pass that segment and signed according;y till it was rechristened i-680.
Correct. The 1965 IA map explicitly labels the northern leg as I-80N, before either leg was constructed. Both legs are shown as proposed on the 1960 IA map.
Quote from: rickmastfan67 on December 27, 2015, 08:31:02 AM
Parkway West here in Pittsburgh. Started out as I-70,
Is there a map somewhere showing how I-70 was originally supposed to go from Ohio through Pittsburgh and on east?
Quote from: Alps on December 27, 2015, 01:11:16 PM
North of Trenton: I-295 (US 1 to planned Somerset Freeway), I-95, then a mix of I-195, I-295, I-395 before finally settling on extending 295.
If was never signed as 195 or 395
Quote from: Revive 755 on December 27, 2015, 12:11:01 PM
In Missouri, I-255 east of I-55 was changed from I-255 to I-270 around 1974, then back to I-255 around 1984.
I am glad you mentioned that. I thought my cave man mind was just confused. :hmmm: I have been making trips through St. Louis since before the interstates were finished. I remember the change in the 70s as it messed me up then. But in the 80s I skipped several years of St. Louis. Then back through there several times in the 90s and beyond. I thought my mind was gone. I thought I was suppose to be on I-270 but it was now I-255. :banghead:
Wow, thank you.
In Memphis, sometime in the future, you could have I-255 » I-240 » I-69
Quote from: vtk on December 27, 2015, 02:00:42 PM
Quote from: rickmastfan67 on December 27, 2015, 08:31:02 AM
Parkway West here in Pittsburgh. Started out as I-70,
Is there a map somewhere showing how I-70 was originally supposed to go from Ohio through Pittsburgh and on east?
Beats me to be honest. That might be a question for PAHighways.
I-79 - I-376 - I-76 in today's numbering (https://www.google.com/maps/dir/Wheeling,+WV,+USA/40.4262792,-79.9156031/Interstate+70,+Acme,+PA+15610,+USA/@40.3536416,-80.1904823,10z/data=!4m15!4m14!1m5!1m1!1s0x8835dac77b90c5e9:0xbb87ed67ecd6e599!2m2!1d-80.7209149!2d40.0639616!1m0!1m5!1m1!1s0x87c05cafb501933d:0x892c03d307c4906a!2m2!1d-79.4185123!2d40.1426158!3e0) (hopefully link should work). I-70 between Washington and New Stanton was I-70S, as can be seen here (http://www.ajfroggie.com/roads/yellowbook/numbering-1958.jpg).
Was I-276 in eastern PA ever signed as I-280 or did it not make it out of proposal stage? If it was, then the impending I-95 interchange will mark the third change for the PA Turnpike east of that interchange, to I-95.
that's weird, why doesn't 70 go through Pittsburgh anymore?
Queens I-78 to I-878 to NY 878
Quote from: silverback1065 on December 28, 2015, 11:00:42 AM
that's weird, why doesn't 70 go through Pittsburgh anymore?
Same reason I-79 doesn't. Same reason I-75 doesn't go through Tampa or St Petersburg. There should be more examples of this, IMO.
Devore, CA to Colton, CA:
I-15 (1956 to 1969)
I-15E (1969 to 1982)
I-215 (1982 to present)
---
Smaller examples in California:
Sacramento:
Beltline Freeway through Natomas - I-880 1968-1982, I-80 1982-present
downtown/midtown/Arden route (Capital City Freeway) - I-80 approximately 1968-1982, unsigned I-305 between US 50/I-80 junction in West Sacramento and E Street from 1982-present
San Francisco Bay Area:
Nimitz Freeway between US 101 in San Jose and Route 262 in Fremont: I-680 mid-1960s, I-880 1984-present
former Route 17 south of US 101 in San Jose: I-280 mid-1960s, I-880 1984-present
MacArthur Freeway (former US 50) in Oakland: I-5W 1956-1964, I-580 1964-present
Vallejo to Benicia: I-680 from 1956-1976, I-780 1976-present
Eastern half of Capital Beltway:
I-495, 1964-1977
I-95, 1977-1989
I-95/I-495, 1989-now
Quote from: mapman1071 on December 28, 2015, 11:28:02 AM
Queens I-78 to I-878 to NY 878
1. Technically the last one isn't an interstate (and it's the same number, so nobody outside of roadgeeks would notice).
2. I-878 actually still exists (between I-678 and the JFK Expressway), it's just not signed (actually, NYSDOT prefers to pretend it doesn't exist, but that that section of road does indeed have a functional classification of Principal Arterial Interstate).
In Michigan:
Grand Rapids to Muskegon: I-94N then I-196 now I-96
Benton Harbor to Grand Rapids: I-94 then I-96 now I-196
Quote from: bulldog1979 on December 28, 2015, 05:08:35 PM
In Michigan:
Grand Rapids to Muskegon: I-94N then I-196 now I-96
Benton Harbor to Grand Rapids: I-94 then I-96 now I-196
Well kind of. While I-92 and I-94 were the planned numbers for the two E/W interstates in MI, they were never signed that way. By the time they were signed, the routes were I-94 (as is today) and I-96 (Benton Harbor / Holland / GR / Lansing / Detroit routing).
It was later changed to have I-96 go to Muskegon as the current I-196 wasn't finished yet, and there was confusion changing numbers on the east side of GR.
Quote from: vtk on December 27, 2015, 02:00:42 PM
Is there a map somewhere showing how I-70 was originally supposed to go from Ohio through Pittsburgh and on east?
Quote from: english si on December 28, 2015, 05:32:04 AM
I-79 - I-376 - I-76 in today's numbering (https://www.google.com/maps/dir/Wheeling,+WV,+USA/40.4262792,-79.9156031/Interstate+70,+Acme,+PA+15610,+USA/@40.3536416,-80.1904823,10z/data=!4m15!4m14!1m5!1m1!1s0x8835dac77b90c5e9:0xbb87ed67ecd6e599!2m2!1d-80.7209149!2d40.0639616!1m0!1m5!1m1!1s0x87c05cafb501933d:0x892c03d307c4906a!2m2!1d-79.4185123!2d40.1426158!3e0) (hopefully link should work). I-70 between Washington and New Stanton was I-70S, as can be seen here (http://www.ajfroggie.com/roads/yellowbook/numbering-1958.jpg).
The New Stanton-Washington route can also be seen marked as I-70S on the 1960 PDH state map (http://www.dot7.state.pa.us/BPR_PDF_FILES/MAPS/Statewide/Historic_OTMs/1960fr.pdf). The Pittsburgh inset on the reverse of that map (http://www.dot7.state.pa.us/BPR_PDF_FILES/MAPS/Statewide/Historic_OTMs/1960bk.pdf) shows the then-completed sections of the Penn-Lincoln Parkway as I-70. I can only assume that the plan was to follow the I-79 alignment to Washington and then continue westward to Wheeling.
Quote from: bzakharin on December 28, 2015, 09:12:15 AM
Was I-276 in eastern PA ever signed as I-280 or did it not make it out of proposal stage? If it was, then the impending I-95 interchange will mark the third change for the PA Turnpike east of that interchange, to I-95.
Even if I-280 shields ever appeared on the present I-276, where I-280 had been described in AASHTO documentation, it was carefully worded to indicate that the designation ended at I-95, not at the NJ Turnpike. Take this route description from a June 1958 route numbering subcommittee meeting:
QuoteI-280 From a junction with I-80S at King of Prussia to a junction with I-95 near Bristol.
So officially speaking, it would appear that the PA Turnpike east of I-95 was never I-280, but even if it was, I have doubts it was ever signed.
Along the same lines, I've often wondered whether I-80S shields ever went up on the PA Turnpike. Neither the PDH nor the PTC maps from 1960 show any route numbers on the Turnpike, and I wouldn't be surprised if the road had largely kept its original guide signage well into the '60s.
QuoteI-95/I-495, 1989-now
Signed for continuity, but FHWA officially considers this to be just I-95. And considering that it's still part of I-95, I wouldn't consider it a changed designation twice.
PA Turnpike went from unnumbered to I-80S -> I-76 -> I-280 -> I-276 -> I-95. Six times.
Quote from: noelbotevera on December 28, 2015, 10:31:28 PM
PA Turnpike went from unnumbered to I-80S -> I-76 -> I-280 -> I-276 -> I-95. Six times.
No, I'm pretty sure you're talking about two different sections of highway here. A section of 276 is going to become I-95 (at some point, presumably), and it used to be 280 long long ago, but it was never I-76 or I-80S. I-76 (and I-80S before it) has always gone into Philadelphia, never along the rest of the Turnpike.
(I'm a little fuzzy on some of the details above, but there was certainly never a section of highway that went from I-76 -> I-280 as you have written.)
Quote from: Kacie Jane on December 28, 2015, 10:52:08 PM
Quote from: noelbotevera on December 28, 2015, 10:31:28 PM
PA Turnpike went from unnumbered to I-80S -> I-76 -> I-280 -> I-276 -> I-95. Six times.
No, I'm pretty sure you're talking about two different sections of highway here. A section of 276 is going to become I-95 (at some point, presumably), and it used to be 280 long long ago, but it was never I-76 or I-80S. I-76 (and I-80S before it) has always gone into Philadelphia, never along the rest of the Turnpike.
(I'm a little fuzzy on some of the details above, but there was certainly never a section of highway that went from I-76 -> I-280 as you have written.)
I'm consolidating the I-76 and I-276 segments as one segment, considering the fact that the PA Turnpike designation continues onto I-276. I'm also including the future I-95 designation.
Quote from: noelbotevera on December 28, 2015, 11:10:52 PM
Quote from: Kacie Jane on December 28, 2015, 10:52:08 PM
Quote from: noelbotevera on December 28, 2015, 10:31:28 PM
PA Turnpike went from unnumbered to I-80S -> I-76 -> I-280 -> I-276 -> I-95. Six times.
No, I'm pretty sure you're talking about two different sections of highway here. A section of 276 is going to become I-95 (at some point, presumably), and it used to be 280 long long ago, but it was never I-76 or I-80S. I-76 (and I-80S before it) has always gone into Philadelphia, never along the rest of the Turnpike.
(I'm a little fuzzy on some of the details above, but there was certainly never a section of highway that went from I-76 -> I-280 as you have written.)
I'm consolidating the I-76 and I-276 segments as one segment, considering the fact that the PA Turnpike designation continues onto I-276. I'm also including the future I-95 designation.
Then you don't understand what the thread is about. There isn't a segment where the number changed six times.
I'll give you 280-276-95. But the section that will become 95 was never part of 76 or 80S. Doesn't matter that those numbers were on a different part of the PA Turnpike, that's not how this works.
Quote from: vtk on December 28, 2015, 12:14:06 PM
Quote from: silverback1065 on December 28, 2015, 11:00:42 AM
that's weird, why doesn't 70 go through Pittsburgh anymore?
Same reason I-79 doesn't. Same reason I-75 doesn't go through Tampa or St Petersburg. There should be more examples of this, IMO.
Agreed, by using creative numbering, Pittsburgh is able to keep most long distance traffic away from its central expressways.
And don't think that other areas can't do this as well. There are some routings out there where the 2di is routed along the LONGER route between two points, just so that it can go through the city center. The two biggest examples that I can think of are:
New Orleans - I-10 should be routed over I-12's routing, a shorter routing betweeen Baton Rouge and Slidell.
St Louis - I-70 should be routed over I-270 along the north side of town. A more direct connection from I-70/270 to I-70/55 than going through the Stan Musial bridge.
(It is true that in most other examples the bypass route is longer than the in-city route.)
Quote from: briantroutman on December 28, 2015, 10:14:49 PM
Along the same lines, I've often wondered whether I-80S shields ever went up on the PA Turnpike. Neither the PDH nor the PTC maps from 1960 show any route numbers on the Turnpike, and I wouldn't be surprised if the road had largely kept its original guide signage well into the '60s.
My recollection, admittedly a little hazy after nearly 60 years, would support your contention. As a child, I traveled the Turnpike frequently with the family. I remember the Turnpike trailblazers as the only markings into the late 50s. Seeing the I-76 markers was a big event for this little road geek. I don't remember ever seeing I-80S markers, though I think I may have seen it marked on some oil company map.
Hey, it can happen: an interstate goes through reincarnations twice in numbering plans, like to change outfits until they found the right size. TheStranger taught me in this thread I-215 in the San Bernardino-Riverside CA was one of those highways renumbered twice in its history (thanx).
Quote from: TheStranger on December 28, 2015, 12:22:41 PM
Devore, CA to Colton, CA:
I-15 (1956 to 1969)
I-15E (1969 to 1982)
I-215 (1982 to present)
---
Smaller examples in California:
Sacramento:
Beltline Freeway through Natomas - I-880 1968-1982, I-80 1982-present
downtown/midtown/Arden route (Capital City Freeway) - I-80 approximately 1968-1982, unsigned I-305 between US 50/I-80 junction in West Sacramento and E Street from 1982-present
San Francisco Bay Area:
Nimitz Freeway between US 101 in San Jose and Route 262 in Fremont: I-680 mid-1960s, I-880 1984-present
former Route 17 south of US 101 in San Jose: I-280 mid-1960s, I-880 1984-present
MacArthur Freeway (former US 50) in Oakland: I-5W 1956-1964, I-580 1964-present
Vallejo to Benicia: I-680 from 1956-1976, I-780 1976-present
Wasn't I-215 also previously as I-215 before it became I-15E?
Quote from: cheungd on December 30, 2015, 03:00:06 AM
Wasn't I-215 also previously as I-215 before it became I-15E?
Not as far as I know (Cahighways put that down on the I-15 page there, but I have never seen maps or photos showing I-215 existing prior to 1982 - and the 215 page supports it being a 1980s route as well, http://cahighways.org/209-216.html#215 ). In the 1964 renumbering, a former segment of Route 71 north of Pomona to Claremont/La Verne became Route 215 for a year or so, but may have never been signed in the field.
The 15/395/215 saga is itself interesting because of how much of it occurred years after the statewide renumbering project:
1964: I-15 runs concurrent with US 395 to Colton (and with the soon-to-be-truncated US 66 and US 91), where it ends. 395 continues south to San Diego along today's 215, 15 south of Temecula, and 163. In San Diego, the Wabash Boulevard/40th Street/Murphy Canyon corridor (some of which had been built as a locally maintained freeway) was given the Route 103 number. In the Inland Empire, Route 71 continued to follow the Corona-Temecula corridor (which at one point included a segment of US 395 from Lake Elsinore to Temecula), with Route 31 being designated on the north-south corridor from Corona to Ontario (with an unbuilt segment north from Ontario to Devore).
1969: US 395 decommissioned south of Hesperia. Route 103 in San Diego transferred to Route 15, and US 395 from downtown San Diego to Route 103 in Miramar becomes Route 163. Route 15 thus is assigned on all of former US 395 between Route 163 at Miramar NAS and I-15's original southern terminus in Colton.
1974: Interstate 15 in the Inland Empire is rerouted onto the Route 31 and Route 71 corridors (with a freeway under construction on what had been Route 31); former I-15/US 395 between Devore and Temecula receives the signed designation of I-15E (or Temp I-15E) and the hidden state route designation of Route 194, similar to today's Route 51/Business 80 setup.
1982: Though I-15E (due to being a loop route) was one of three suffixed routes to survive AASHTO's edict on suffixed Interstates, it was renumbered again to I-215 (with the TEMP I-15E sections becoming State Route 215). The bypass I-15 along former Route 31 was completed by the mid-80s.
1994: Route 215 upgraded to Interstate 215 with the full completion of the freeway route south of Moreno Valley.
The end result of this is that the segment of freeway between Devore and 5th Street in San Bernardino has had an incredible amount of designations over its history: I-15/US 66/US 91/US 395, I-15E/unsigned Route 194, and presently I-215.
Had the Center Leg Freeway proposal to renumber I-395 through central DC as I-195 gone through, that would have been another candidate for this discussion. Until 1977, the Center Leg Freeway was a part of I-95, when it was renumbered to I-395.
From the AASHTO Notes for May 23, 1984:
QuoteRedesignation of I-395 as I-195
Approved
Redesignate as I-195 presently designated I-395 between the intersection of present I-695 in Washington, D.C. and the present terminus at the intersection of New York Avenue.
The I-195 appeared on several 1980s editions of the Rand McNally North American Road Atlas as well, including the 1987 edition here:
(//www.aaroads.com/forum_images/mid-atlantic/washington_dc_1987_480.jpg) (http://washington_dc_1987.jpg)
Quote from: mrsman on December 29, 2015, 07:00:57 AM
Quote from: vtk on December 28, 2015, 12:14:06 PM
Quote from: silverback1065 on December 28, 2015, 11:00:42 AM
that's weird, why doesn't 70 go through Pittsburgh anymore?
Same reason I-79 doesn't. Same reason I-75 doesn't go through Tampa or St Petersburg. There should be more examples of this, IMO.
Agreed, by using creative numbering, Pittsburgh is able to keep most long distance traffic away from its central expressways.
And don't think that other areas can't do this as well. There are some routings out there where the 2di is routed along the LONGER route between two points, just so that it can go through the city center. The two biggest examples that I can think of are:
New Orleans - I-10 should be routed over I-12's routing, a shorter routing betweeen Baton Rouge and Slidell.
St Louis - I-70 should be routed over I-270 along the north side of town. A more direct connection from I-70/270 to I-70/55 than going through the Stan Musial bridge.
(It is true that in most other examples the bypass route is longer than the in-city route.)
It's not creative numbering that keeps the long range traffic out of the city center. That will happen if there's a good shortcut, whether the 2dI follows that shortcut or not – at least, with good navigators.
By the way, you forgot Detroit, Macon, and Rochester NY. (Wait, doesn't I-90 bypass Rochester?)
The one that came to my mind right away violates the basic parameters of the thread but I'll throw it out anyway: the Long Beach Freeway in suburban Los Angeles went from CA-15 to CA-7 to I-710 in the span of 18 years.
A possibility of I-81 in Syracuse gets ripped down: I-281 > I-481 > I-81
Was not I-40 in Greensboro, NC changed to I-40 Business and then back?