Roads signed by name only

[Big John]

According to this: http://www.snopes.com/language/stories/420.asp  it was the time some school kids met to smoke the drugs.

[Indyroads]

Has anyone mentioned Tx route "OSR" Old San Antonio Road.

[Mark68]

Pena Blvd to DIA, and, as well as the E-470 Tollway (not a state highway, owned and operated by the E-470 Public Highway Authority).

Also, the Franconia Notch Pkwy in northern New Hampshire, which is technically not a part of I-93.

[NE2]

Also, the Franconia Notch Pkwy in northern New Hampshire, which is technically not a part of I-93.

Nope. http://www.fhwa.dot.gov/planning/national_highway_system/nhs_maps/new_hampshire/nh_newhampshire.pdf
It's US 3 anyway. So double failure.

[thenetwork]

Back in the 70s, when the section of Future I-90 between Detroit Road -- SR-2/SR-254 -- and West 117th St. in Cleveland was opened, It was simply known on BGSs as "Fwy." until the missing link between W. 117th and I-71 was completed, then the I-90 Freeway was signed as such.

[Mark68]

Also, the Franconia Notch Pkwy in northern New Hampshire, which is technically not a part of I-93.

Nope. http://www.fhwa.dot.gov/planning/national_highway_system/nhs_maps/new_hampshire/nh_newhampshire.pdf
It's US 3 anyway. So double failure.

When I went thru there a few years ago, most of the signage I saw stressed the Parkway and either didn't mention I-93 and US 3, or said "To" I-93/US 3. Of course, there is only one exit within the park that is not actually between I-93 and US 3, so small sample size.

[thenetwork]

Pena Blvd to DIA, and, as well as the E-470 Tollway (not a state highway, owned and operated by the E-470 Public Highway Authority).

Pena qualifies, but E-470 does have its own route shield.

[NE2]

When I went thru there a few years ago, most of the signage I saw stressed the Parkway and either didn't mention I-93 and US 3, or said "To" I-93/US 3. Of course, there is only one exit within the park that is not actually between I-93 and US 3, so small sample size.

Two interchanges along the overlap, both of which had clear signage for I-93/US 3 as of the Goog's 2008 photos (still there in 2011).

[Mark68]

Pena Blvd to DIA, and, as well as the E-470 Tollway (not a state highway, owned and operated by the E-470 Public Highway Authority).

Pena qualifies, but E-470 does have its own route shield.

I realize that it has its own shield, but it's not a state highway (nor is the NW Parkway, which has its own shield). So there is no "route" to call it, other than its name, which happens to be E-470 (or Extension 470).