Closest interstate non-clinches

[tidecat]

What's the closest you've come to clinching an interstate without actually clinching it?

I have come within 2.5 miles of finishing I-65; the only part I lack is between I-80 and I-90 in Indiana.

[cl94]

For 2DIs, I'm 18 miles short of clinching I-77. Missing segment is south of SC 277.
Oh, and I have I-87 except the section between US 11 and the border.

I'm less than 1/2 mile short of clinching I-684 (don't have north of Exit 9W) and NJ's I-280 (need east of Exit 17A)

[dfilpus]

I-17: I'm missing three miles in downtown Phoenix.

[1995hoo]

I am missing 1.4 miles of I-195 in Richmond and 3.2 miles of I-395 in Bangor.

I'm missing 0.8 miles of the I-895 spur in Maryland (that portion is basically a ramp).

[SSOWorld]

The real I-74 inside the I-275 loop to Cincinnati.
sections of I-90 in Wyoming and Montana

[DandyDan]

I have driven on I-180 in Illinois twice.  The first time, I was coming from I-80.  The second time, I was coming from IL 71.  Both trips ended up with me going south on IL 29.  As such, I have missed the curve between the N-S segment and the E-W segment.

[dgolub]

Arguably I-684.  I'm missing the tiny piece between I-84 and NY 22 at the northern terminus.

[sipes23]

I've got all of I-55 except for 1.9 miles near Ste. Genevieve, MO. I suspect it will be there nagging at me for several more years anyway.

[Dr Frankenstein]

I'm missing I-787 between U.S. 9W and I-87. According to Google Maps, its terminus is at 9W and not I-87, but they might be wrong.

[vtk]

In 2010 I drove the entire length of eastern I-84 both ways, except for a few miles in Hartford because an alternate route through the south side of the city was favored by AAA and I didn't have a reason to disagree.

[Brandon]

Right now, I-70.  Everything but the section from Frederick, MD to the Park and Ride Lot.

Other close ones:
I-96.  Need I-196 to US-31.
I-44.  Need the Turner Turnpike.

[bzakharin]

Because of where I live, I've never driven on I-295 in NJ between exits 34B and 36B in either direction, but I've been in a car with someone else driving through there, if I recall, Southbound only.

[Bickendan]

I have driven on I-180 in Illinois twice.  The first time, I was coming from I-80.  The second time, I was coming from IL 71.  Both trips ended up with me going south on IL 29.  As such, I have missed the curve between the N-S segment and the E-W segment.

Still probably raised that day's traffic on the route by 33%...

[cl94]

I'm missing I-787 between U.S. 9W and I-87. According to Google Maps, its terminus is at 9W and not I-87, but they might be wrong.

They are. Ends at I-87. Spur to US 9W is NY 912S. Per signage, I'd count the bridge to Troy as part of it, though (signed as I-787 crossing west with a relatively-new shield)

[wphiii]

I'm missing literally the last mile of I-79 between U.S. 20 and its northern terminus in Erie.

[roadman65]

I-10 from I-75 to I-95.

I-95 from Scottsmore to Daytona Beach, from Miami to Rivera Beach, from Palm City to Fort Pierce, and from Vero Beach to Sebastian.

[cl94]

I'm missing literally the last mile of I-79 between U.S. 20 and its northern terminus in Erie.

For a while, I was missing the 200 or so feet between the loop ramp at PA 5 and the traffic signal at the north end. Clinched it when I drove to Waldameer for some reason instead of my dad. Literally adds 30 seconds to go to the end and make 2 rights

[vdeane]

I'm missing I-787 between U.S. 9W and I-87. According to Google Maps, its terminus is at 9W and not I-87, but they might be wrong.

They are. Ends at I-87. Spur to US 9W is NY 912S. Per signage, I'd count the bridge to Troy as part of it, though (signed as I-787 crossing west with a relatively-new shield)

While I-787 officially goes over the bridge to Troy, it's SUPPOSED to be a hidden designation.  Note the mile markers and exit numbers.  One could say the lone I-787 shield in Troy is "erroneously correct".

[jakeroot]

I-5, 9 Miles short: Exits 14A to 5A in San Diego. At Exit 14A, I drove out towards Coronado. Joined back at Palm Avenue.

[noelbotevera]

(with family)
I-68 in MD west of exit 14
I-70 east of exit 91

[cl94]

I'm missing I-787 between U.S. 9W and I-87. According to Google Maps, its terminus is at 9W and not I-87, but they might be wrong.

They are. Ends at I-87. Spur to US 9W is NY 912S. Per signage, I'd count the bridge to Troy as part of it, though (signed as I-787 crossing west with a relatively-new shield)

While I-787 officially goes over the bridge to Troy, it's SUPPOSED to be a hidden designation.  Note the mile markers and exit numbers.  One could say the lone I-787 shield in Troy is "erroneously correct".

Milemarkers are for NY 7, but reference markers are for I-787. Once upon a time (within the past 15 or so years), there was a shield on the EB side of the bridge and I think it was state name. It is now gone. The WB shield was state name until relatively recently and there is photo evidence of this somewhere on the site.

[jeffandnicole]

I've been on all of I-95 except north of Bangor, ME, a section in Florida between I-4 & FL 528, and amazingly enough, the Eastern Spur of the NJ Turnpike.

[Eth]

I've driven all of I-85 except the bit south of Auburn, AL (exit 51). Nothing else (that hasn't been fully clinched) is anywhere close.

[Takumi]

I have most of I-66, except for a couple of 5-10 mile stretches. I can't remember exactly where, but I could just do the section east of US 17/VA 55 in one shot to be sure.

[vdeane]

I'm missing I-787 between U.S. 9W and I-87. According to Google Maps, its terminus is at 9W and not I-87, but they might be wrong.

They are. Ends at I-87. Spur to US 9W is NY 912S. Per signage, I'd count the bridge to Troy as part of it, though (signed as I-787 crossing west with a relatively-new shield)

While I-787 officially goes over the bridge to Troy, it's SUPPOSED to be a hidden designation.  Note the mile markers and exit numbers.  One could say the lone I-787 shield in Troy is "erroneously correct".

Milemarkers are for NY 7, but reference markers are for I-787. Once upon a time (within the past 15 or so years), there was a shield on the EB side of the bridge and I think it was state name. It is now gone. The WB shield was state name until relatively recently and there is photo evidence of this somewhere on the site.

1. Reference markers are for internal NYSDOT use, not general public navigation
2. Reference markers are not required to match signage (see: reference routes)
3. Reference markers do not change when route designations change (unless you're in Region 4), which makes 1 and 2 irrelevant, because:
4. The Collar City Bridge and I-787 predate "Alternate Route 7" and NY 787, and I-787 was fully signed on the Collar City Bridge prior to the opening of NY 787.