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The following list contains the most notable road interchanges within the United States divided by each state, which are mainly part of the national Interstate Highway System and are all freeways intersecting with each other at a junction.
This is a category of named or otherwise important road interchanges in the United States. ... Pennsylvania Turnpike/Interstate 95 Interchange Project; S.
There are 71 primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. These primary highways are assigned one- or two-digit route numbers, whereas their associated auxiliary Interstate Highways receive three-digit route numbers. Typically, odd-numbered Interstates run south–north, with lower ...
Despite the fact that such interchanges already existed, the idea for the DDI was "reinvented" around 2000, inspired by the freeway-to-freeway interchange between Interstate 95 and I-695 north of Baltimore. [48] The first DDI in the United States opened on July 7, 2009, in Springfield, Missouri, at the junction of Interstate 44 and Missouri ...
Auxiliary Interstate Highways (also called three-digit Interstate Highways) are a subset of highways within the United States' Interstate Highway System.The 323 auxiliary routes generally fall into three types: spur routes, which connect to or intersect the parent route at one end; bypasses, which connect to the parent route at both ends; and beltways, which form a circle that intersects the ...
I-271 in Ohio lacks a direct interchange with the I-80 section of the Ohio Turnpike; traffic interchanges between the two via I-77 and Ohio State Route 8, which both pass nearby. I-475 has no direct interchange with I-80/I-90 on the Ohio Turnpike near Toledo., though there is an indirect connection via US 20 and Dussel Drive.
Renumbered as US 101; part of East Los Angeles Interchange: I-110: 23.73 [c] 38.19 SR 47 in San Pedro: I-10 in Los Angeles: 1978: current Former routing of US 6/SR 11: I-110 — — I-10/I-5 in East Los Angeles: US 101 in Los Angeles: 1964: 1968 Deleted from highway system; part of East Los Angeles Interchange: I-180 — — US 101 in San Rafael
A directional interchange, colloquially known as a stack interchange, is a type of grade-separated junction between two controlled-access highways that allows for free-flowing movement to and from all directions of traffic.