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[Hot Rod Hootenanny]

315 - Downtown to 270...
March, 1960 - Ohio State asks ODOT (Ohio Dept. of Highways at that time) to designate Olentangy River Rd as a state highway from Oh 161 on south so Olentangy River Rd can be eligible for state highway funds.
http://tinyurl.com/2dq92vj
April, 1960 - Olentangy River Rd is to be designated as US 23 as part of Ohio's Highway System and later to become a freeway if ODH proposal is accepted.
http://tinyurl.com/2dz7opd
Summer, 1963 - OSU, City of Columbus, and state officials argue over where Olentangy River Rd is to be relocated in reference to the Ohio State campus
http://tinyurl.com/2brdjn7
August, 1964 - 315 is officially extended south from 161 to the innerbelt.
http://tinyurl.com/2dqld5m
June, 1969 - First section of "modern 315" is opened from Goodale to Kinnear Rd
http://tinyurl.com/2ftagak
August, 1972 - 315 from Kinnear to Ackerman is completed and opened
http://tinyurl.com/252tvhg

I-70/670 West
January, 1964 - First public proposal of west split (to both Spring-Sandusky and Mound-Sandusky)
http://tinyurl.com/2doybe5

Oh 161 - New Albany Bypass
July, 1967 - First public proposal
http://tinyurl.com/25o3pjo
August 1970 - Last public discussion for 20 years
http://tinyurl.com/2bwvl8t

[Hot Rod Hootenanny]

My interpretation of a 1937 report for traffic improvement for Columbus (by Roger Morrison, Univ. of Michigan )

Blue line - proposed innerbelt
Green line - arterial radial streets
Red line - "Outer loop"
Yellow line - Rerouting of US 62 (and Oh 3). (Note, US 23, 33 (then Oh 31), 40, along Oh 3, 16, and 104 were all to be rerouted onto eiher of these bypasses.
Post Merge: August 22, 2010, 05:24:43 PMThe 1952 Bergendorf plan for Columbus (as seen on roadfan for 10 years previous)

Post Merge: December 31, 1969, 06:59:59 PM1956 Bartholomew plan for Columbus

Yellow line - Innerbelt and 70/71
Red Line - Outerbelt (pre 270)
Blue Line - Intermediate loop route
Green Line - Parkways
Purple Line - Significant arterials
Post Merge: December 31, 1969, 06:59:59 PMAlternate(?) plan by Bartholomew for Columbus. Also from 1956

Red Lines- Innerbelt, 70/71
Blue Line - Outerbelt
Green Lines - Arterials
Purple Lines - new arterials to be constructed.

[6a]

We are fortunate to have aerial photos that show parts of the interstate being built - an absolute joy to zoom around, might I add.

The future I-70 at Broad St. (west side)



Westside split.  Note the loop for SB I-71 traffic and all WB traffic running into Mound St.



315 at Ackerman. 



270/670/62 near the airport.



Spring-Sandusky, circa 1971

[Hot Rod Hootenanny]

To add to our historic photo collection, you can visit http://www.photohio.org/collections/cj/
Lots(!) of good stuff.

1948 (first) proposal for Spring-Sandusky

1956 design for Spring-Sandusky

Routing along the innerbelt (1949?) from prior to interstate act

315 at Ackerman Rd  in 1974 (north end of Olentangy Freeway from 1973-1982)

The merge between Olentangy and the innerbelt in 1973

[mightyace]

^^^

The picture of 315 at Ackerman Rd  in 1974 shows that the ramps of the end of the expressway are in a very similar configuration to the end of the US 30 (N) expressway near Beaverdam and I-75.

The US 30 west ramp was a little more gradual than the 315 South ramp and went under the cross road and not over it.

I guess Ohio like that idea for "temporary" endings.

[6a]

That's a great site, I'd never heard of it before.

[Hot Rod Hootenanny]

That's a great site, I'd never heard of it before.

The only reason I found that photo archive was I was googling to look for an online index for the old Columbus Citizen-Journal after going through the Dispatch's online news index (via the Columbus Library). I didn't find articles, but I did find photos which are just as good.

[thenetwork]

RE: The merge between Olentangy and the innerbelt in 1973 photo:

What purpose did those two abandoned ramps serve?  Looks like it was an off-ramp from and an on-ramp to OH-315 South.

[6a]

If that's where I think it is, those were a partial cloverleaf that was taken out for an extension of Twin Rivers Dr.

[Hot Rod Hootenanny]

If that's where I think it is, those were a partial cloverleaf that was taken out for an extension of Twin Rivers Dr.

As for The Network's question, those were actual ramps to Goodale Ave. As for 6a's reply, he is correct as well.

[Hot Rod Hootenanny]

See if I can bring this thread out of hibernation.
This following photo was on the Columbus Dispatch's website as part of their Columbus 200 birthday blog

Their backstory with the photo:
http://www.dispatch.com/content/blogs/a-look-back/2012/01/we-built-this-freeway-1980.html

[PurdueBill]

What's amazing reading that is that it means that some of the signs along the stretch of 315 near Broadway north of Ackerman, some of the most distressed-looking signs in all of Ohio that somehow manage to evade replacement, are little over 30 years old!  

[ARMOURERERIC]

I have spent alot of time on the historic ariel site.  There is some facinating stuff.  You can see lots of san Diego stuff, plus it finally answers what the original configuration was at the NY Thruway Victor exit.

[vtk]

What's amazing reading that is that it means that some of the signs along the stretch of 315 near Broadway north of Ackerman, some of the most distressed-looking signs in all of Ohio that somehow manage to evade replacement, are little over 30 years old! 

From just north of Ackerman Rd southward, the signs were all replaced a couple of years ago.  Between there and just south of Henderson Rd, including the interchange at North Broadway (not just Broadway — that's in Grove City) is actually the youngest part of the Olentangy Freeway.

[PurdueBill]

From just north of Ackerman Rd southward, the signs were all replaced a couple of years ago.  Between there and just south of Henderson Rd, including the interchange at North Broadway (not just Broadway — that's in Grove City) is actually the youngest part of the Olentangy Freeway.

Yes--not the ones recently replaced at interchanges like Lane Ave, but the ones at the North Broadway interchange and some of the Bethel Rd interchange have aged quite badly and (gulp) ought to be replaced.  (I can't believe I said that about lighted, button-copy signs!)

[tdindy88]

On a similar note, I was surprised that many of the signs on 270 were not replaced when I drove through there last August, nothing wrong, I just thought that ODOT was gun-ho about replacing their signs, and I saw some Clearview signs on I-71 around Grove City.

[vtk]

On a similar note, I was surprised that many of the signs on 270 were not replaced when I drove through there last August, nothing wrong, I just thought that ODOT was gun-ho about replacing their signs, and I saw some Clearview signs on I-71 around Grove City.

They're gung ho about replacing signs, yes. Unfortunately, they don't seem to have any clue lately about which signs need to be replaced our even which signs they just replaced a couple years ago.

[PurdueBill]

They're gung ho about replacing signs, yes. Unfortunately, they don't seem to have any clue lately about which signs need to be replaced our even which signs they just replaced a couple years ago.

I was surprised to see even some FHWA-lettered reflective signs replaced on 315 in the recent project, like even those for the new exit NB for the Medical Center Drive.  Those were literally only a couple years old, but evidently committed the sin of having lights. (why not do like was done in Akron recently and remove the lights if they were such a problem, or just turn them off? The signs for that exit were new already!)