Roads that cross but never intersect

[kphoger]

US 35 and Interstate 71 don't ever intersect.

Neither do I-70 and about 10 random county roads in Thomas County, Kansas.
As I said, a worldwide list of overpasses and underpasses is going to get reeeeeally long.

Can we keep this to routes that cross multiple times but don't intersect?

[agentsteel53]

if you look at the earth just right, I-5 and I-95 cross over each other without intersecting.

[Mr. Matté]

if you look at the earth just right, I-5 and I-95 cross over each other without intersecting.

Or give Google a few weeks and it'll happen anyway.

[Hot Rod Hootenanny]

Plenty of ignored freeways along the old turnpikes in the northeast.

Penn Turnpike: I-95

That one will be changing in a few years; however, one can add I-81 to the list (one needs to use US 11 for a connection).

NJ Turnpike: I-295

True for the PA Turnpike (Future I-95) Connector, not true for the mainline NJ Turnpike; the 2 roads connect near the Delaware Memorial Bridge.

Add NY Thruway (I-87) & I-84 to the list as well.

In PA, I-476 (the Blue Route) and PA 320 cross each other 4 times but have no direct interchange.  I-476 also crosses PA 23 but has no direct interchange to it; one needs to use feeder ramps at the I-76 interchange south of the actual crossing.

The mid 70s maps of the proposed I-476 had an interchange with Pa 320 and Springfield Rd. I do recall in one of the articles pertaining to the construction of the Blue Route, from the late 1980s, that PennDOT purposely didn't put any interchanges between I-476 and Pa 320 because they wanted to keep traffic away from Pa 320.

[PHLBOS]

In PA, I-476 (the Blue Route) and PA 320 cross each other 4 times but have no direct interchange.  I-476 also crosses PA 23 but has no direct interchange to it; one needs to use feeder ramps at the I-76 interchange south of the actual crossing.

The mid 70s maps of the proposed I-476 had an interchange with Pa 320 and Springfield Rd. I do recall in one of the articles pertaining to the construction of the Blue Route, from the late 1980s, that PennDOT purposely didn't put any interchanges between I-476 and Pa 320 because they wanted to keep traffic away from Pa 320.

Correct, PennDOT had plans for a I-476/PA 320 interchange in that area (near Cardinal O'Hara High School) but dropped it from its plans.  I believe the actual reasoning behind that interchange elimination had more to do w/the High School protesting more than anything else.

Further south at the PA 320/US 1 interchange, there's still one old button-copy sign that gives hint of a then-future I-476 connection w/PA 320.  It's on the ramp from US 1 South; there's a blank area to the right of the NORTH 320 that's large enough for TO (NORTH) 476 lettering and shield.

IIRC, when I looked at an old map showing the original interchanges (many of the current interchages are downsized redesigns); the original design of the I-476/US 1 interchange did not provide a ramp from US 1 South to I-476 North.  The above-sign was likely intended to guide traffic from US 1 South to I-476 North via PA 320 North for a short distance.

[Hot Rod Hootenanny]

IIRC, when I looked at an old map showing the original interchanges (many of the current interchages are downsized redesigns); the original design of the I-476/US 1 interchange did not provide a ramp from US 1 South to I-476 North.  The above-sign was likely intended to guide traffic from US 1 South to I-476 North via PA 320 North for a short distance.

Yep I remember that as well.