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

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

are 71 primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. These primary highways are assigned one-...

publication A Policy on Design Standards: Interstate System. For a certain highway to be considered an Interstate Highway, it must meet these construction requirements...

maintenance and operations of the Interstate Highways. The Interstate Highway System in Alaska comprises four highways that cover 1,082.22 miles (1,741...

States, future Interstate Highways include proposals to establish new mainline (one- and two-digit) routes to the Interstate Highway System. Included in...

in the Interstate Highway System where the roadway carrying an Interstate shield does not conform to the standards set by the Federal Highway Administration...

of [the Interstate Highway System']s primary importance to the national defense". The money for the Interstate Highway and Defense Highways was handled...

The Interstate Highways in Colorado are the segments of the national Dwight D. Eisenhower System of Interstate and Defense Highways that are owned and...

S. Highway System was approved on November 11, 1926. Expansion of the U.S. Highway System continued until 1956, when the Interstate Highway System was...

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...

York metropolitan area. The highway was designated in 1956 as one of the original routes of the Interstate Highway System; its final segment was opened...

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

Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at 3,099.7 miles (4,988.5 km). It...

The National Highway System (NHS) is a network of strategic highways within the United States, including the Interstate Highway System and other roads...

Interstate 520 (I-520) is a 23.34-mile (37.56 km) auxiliary Interstate Highway that encircles most of Augusta, Georgia and North Augusta, South Carolina...

system, and are known as State Route X (abbreviated SR X). United States Numbered Highways are labeled US X, and Interstate Highways are Interstate X...

Interstate system may refer to: A system for international relations Interstate Highway System, a network of controlled-access highways in the United...

portion of the Alaska Highway is an unsigned part of the Interstate Highway System east of Fairbanks. The entire length of Interstate A-2 follows Route 2...

Interstate 25 (I-25), also known as the Pan-American Freeway, is a major Interstate Highway in the western United States. It is primarily a north–south...

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...

the nationally numbered Interstate Highways and U.S. Highways, the highway system consists of a main network of state highways, loops, spurs, and beltways...

Interstate 115 (I-115) is a 1.194-mile-long (1.922 km) auxiliary Interstate Highway which connects I-15/I-90 to Butte in the U.S. state of Montana. The...

Interstate 980 (I-980) is a short 2.03-mile (3.27 km) auxiliary Interstate Highway entirely within Oakland in Northern California, connecting I-580 and...

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...

day-to-day maintenance and operations of the Interstate Highways in Texas. The Interstate Highway System in Texas covers 3,239.7 miles (5,213.8 km) and...

Interstate 82 (I-82) is an Interstate Highway in the Pacific Northwest region of the United States that travels through parts of Washington and Oregon...

The Interstate Highways in Illinois are all segments of the Interstate Highway System that are owned and maintained by the U.S. state of Illinois. The...

Highway (numbered Interstate A-4 and signed Alaska Route 3), usually called simply the Parks Highway, runs 323 miles (520 km) from the Glenn Highway 35...

paired with U.S. Highway 53 (US 53) along its entire route. The Interstate was part of the original 1956 Interstate Highway System and was completed...