Talk:List of gaps in Interstate Highways

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Interstate 74

West Virginia has no plans to connect to the North Carolina extension of I-74 for the foreseeable future. I deleted this line as I found it confusing. WV and NC do not share a border. Was the author speaking of the southern (not "North Carolinian" section)? Did they mean VA instead of WV? --Gapmtn1 (talk) 21:27, 12 July 2021 (UTC)[reply]

I-80 is one lane when switching concurrencies

I-80 in Indiana is one lane at its interchange with I-90 and I-94 near Lake Station. From the east, it is concurrent with I-90 as part of the Indiana Toll Road. To continue westbound, one must take a one-lane exit from I-90 W to I-94 W. From there, it is concurrent with with I-94 (apparently as the Frank Borman Expressway). From the west is similar; concurrency with I-94 E to one-lane exit to I-90 E concurrency. Would this qualify for a "narrow freeway"? (Although it wouldn't really be free, as it is part of the toll road to the east.) It is essentially just a to-standard highway exit ramp, but it does happen to carry the I-80 designation.76.16.0.175 (talk) 07:41, 6 September 2021 (UTC)[reply]

I-70 through Breezewood

Something that I've been researching for years but which hasn't produced any results is where exactly I-70 exists in Breezewood, whether it actually follows US 30 or stops and starts again, making US 30 just US 30 throughout. PENNDOT records are ambiguous since they only list one designation for any stretch of road even if there are more than one using it, so there's only "SR 0030" on that stretch, which means I-70 may or may not be there. I don't even think comparing state vs. federal records would help. Mapsax (talk) 01:20, 11 May 2023 (UTC)[reply]

As of 2021, the Philadelphia Inquirer was stating that the section was part of I-70 officially: [1]. --Jayron 32 12:33, 11 May 2023 (UTC)[reply]

Well, that photo gallery is subscription only, but with what little access I have to it, I was able to extract sentences such as this: "[Breezewood] continues to interrupt I-70's 2,100-mile route between Baltimore and Utah." To me this implies that they believe that it isn't. I also was able to grab this: "There is a stretch of I-70 in west-central Pennsylvania where motorists must exit the freeway and go through two traffic lights before continuing. It is one of the few gaps in the entire Interstate highway system." Note that it's the motorists who are going through the traffic lights, not necessarily I-70. They also say "gap" outright, supporting the presence of this on the article, though not the specific phrase that I've tagged. I suppose that changing "I-70 uses" to "I-70's traffic follows" would circumvent the problem.

Just as an aside, technically I-70 westbound traffic also follows SR-9102 very briefly according to the PennDOT Bedford County Type 10 map because that's what they call the right turn channelized ramps at the 70-from-Maryland at 30 intersection, with the actual I-70 westbound continuing that last few feet to the 30 intersection across from the Sheetz driveway, but that's probably so minor as not to be notable. Mapsax (talk) 00:57, 12 May 2023 (UTC)[reply]

The signage in the area is inconsistent, but overall it seems (to me) like it leans more towards being a true gap. Most of the major overhead destination signs, like those on the Turnpike and at the end of the short connector from it, seem to use language like "US-30 to I-70". ZLima12 (talk) 06:21, 1 July 2024 (UTC)[reply]

San Antonio

I'm not sure where we would find sources for this, but there are some interchanges in San Antonio, TX, where at least one interstate gets down to a single lane. One of these is IH-10 EB, where it diverges from a concurrence with IH-35 SB and begins a concurrence with US-90 EB. Angiest (talk) 12:22, 29 September 2023 (UTC)[reply]

At what mile marker does this occur? I'll take a look at it when I get the chance. Tyris776 (talk) 04:56, 11 August 2024 (UTC)[reply]

divide

This is wrong:"therefore the separation criterion is really either a 4-foot-tall (1.2 m) wall, or a 100-foot-wide (30 m) median, whichever is greater." First, criterion for what? Inclusion as a gap or inclusion as fully conforming section of system?? Second, '(4 ft vs 100 ft) whichever is greater' makes zero sense. The required separation between directions is "either a 4 ft (1.2m) tall wall or a 100 ft (30m) median." period. That is, "whichever is greater" makes a correct (?) statement incorrect. (I'd also remove the "really", serves no purpose, really.)98.17.181.251 (talk) 22:58, 29 June 2024 (UTC)[reply]