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| Planning |
Neither the 14th Amendment Highway Corridor nor the 3rd Infantry Division Highway Corridor is a federally designated future Interstate.
Notwithstanding this, some perspective on the prospects for construction of these two highways may be obtained by examining the construction history of recently designated future Interstates that are mostly rural. Each of these future interstates was designated by Congress from among the Congressional designated high priority National Highway System (NHS) corridors as identified in section 1105 (c) of the 1991 Intermodal Surface Transportation Efficiency Act (a.k.a., ISTEA) as amended. The table below gives some information on this subject.
| Future I-designation and (High Priority Corridor Number) per Congress | Year of Designation as future Interstate | Approximate mileage of corridor | Mileage Designated as Interstate as of September 30, 2005 | Significant Context |
|---|---|---|---|---|
| Future I-69 (18, 20) | 1995 | ~1500 | 0 | Most expected to be on new location; mileage greater if I-69 central and I-69 east are included |
| Future I-73/74 (5) | 1995 | ~600 | 25 | Some connections are mileage on existing I-81 and I-77; about 160 miles is for I-74 alone; the 25 miles completed includes both I-74 alone and I-73/74 joint alignment. |
| Future I-86 (36) | 1998 | ~350 | 190 | Almost all of this is on existing NY 17 which was a 4 lane divided highway when designated as a future Interstate. |
| Future I-99 (9) | 1998 | ~200 | 53 | Some of this is on existing US 15 and US 220 and some on new alignment. |
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