Interstate 19 (I-19) is a north–south Interstate Highway located entirely within the US state of Arizona. I-19 travels from Nogales, roughly 90 meters...

Interstate 11 (I-11) is an Interstate Highway that currently runs for 53.9 miles (86.7 km) on a predominantly northwest–southeast alignment in the U.S...

National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network...

Nogales, Sonora, across the Mexican border. The southern terminus of Interstate 19 is located in Nogales at the U.S.–Mexico border; the highway continues...

active from 1841 to 1975, and since 2000 Interstate 19, an Interstate highway in Arizona Japanese submarine I-19 This disambiguation page lists articles...

become interstates when built to Interstate standards and connected to other interstates. Interstate 3 is the proposed designation of an Interstate Highway...

and links with Interstate 19, which becomes a spur of the Pan-American highway through Mexico at the Nogales border crossing. Interstate 25 runs north...

Interstate 17 (I-17) is a north–south Interstate Highway located entirely within the US state of Arizona. I-17's southern terminus lies in Phoenix, at...

The Interstate Highway System of the United States, in addition to being a network of freeways, also includes a number of business routes assigned by the...

Interstate 95 (I-95) is the main north–south Interstate Highway on the East Coast of the United States, running from U.S. Route 1 (US 1) in Miami, Florida...

There are 70 primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. These primary highways are assigned...

Interstate 69 (I-69) is an Interstate Highway in the United States currently consisting of eight unconnected segments. The longest segment runs from Evansville...

Interstate 75 (I-75) is a major north–south Interstate Highway in the Great Lakes and Southeastern regions of the United States. As with most Interstates...

Interstate 80 (I-80) is an east–west transcontinental freeway that crosses the United States from San Francisco, California, to Teaneck, New Jersey, in...

Interstate 10 (I-10) is the southernmost transcontinental highway in the Interstate Highway System. I-10 is the fourth-longest Interstate in the United...

Interstate 70 (I-70) is a major east–west Interstate Highway in the United States that runs from I-15 near Cove Fort, Utah, to I-695 and Maryland Route 570...

Interstate 15 (I-15) is a major Interstate Highway in the Western United States, running through Southern California and the Intermountain West. I-15 begins...

Interstate 40 (I-40) is a major east–west transcontinental Interstate Highway in the southeastern and southwestern portions of the United States. At a...

(continues as Interstate 15) United States Montana – Interstate 15 Idaho – Interstate 15 Utah – Interstate 15 Arizona – Interstate 15 Nevada Interstate 15 – Arizona...

from Casa Grande is Interstate 8, which goes via Yuma into California, crossing the Colorado River. Finally, the short Interstate 19 runs south from Tucson...

Interstate 81 (I-81) is a north–south (physically northeast–southwest) Interstate Highway in the eastern part of the United States. Its southern terminus...

Auxiliary Interstate Highways (also called three-digit Interstate Highways) are a subset of highways within the United States' Interstate Highway System...

Interstate 94 (I-94) is an east–west Interstate Highway connecting the Great Lakes and northern Great Plains regions of the United States. Its western...

Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific Coast of...

Interstate H-201 (H-201, named the Moanalua Freeway) is the only auxiliary Interstate Highway located outside the contiguous United States, serving the...

Interstate 4 (I-4) is an Interstate Highway located entirely within the US state of Florida, maintained by the Florida Department of Transportation (FDOT)...

Interstate 579 (I-579) is a north–south Interstate Highway entirely within Pittsburgh, Pennsylvania. The highway is 2.73 miles (4.39 km) long. I-579 is...

Interstate 585 (I-585) is a 2.25-mile-long (3.62 km) auxiliary Interstate Highway of I-85 in the US state of South Carolina. It is an orphan auxiliary...

(FHWA) generally requires exit numbers (mile-based or sequential) on the Interstate Highway System; the FHWA established that requirement in 1970. The Manual...

In the United States, an interstate compact is a pact or agreement between two or more states, or between states and any foreign sub-national government...