The last segment of the road saw the marking 30 years of the interstate construction plan. But the plan started by President Dwight Eisenhower in 1956 to create a 41,000-mile national system of interstate highways has continued to this day. The road was 1,300 miles (2,100 km) long and connected Charleston, South Carolina to Boston, Massachusetts. Traversing 13 states, Interstate 90 is the longest in the nation, though it doesn't cover the most states. What are the 4 states not served by an interstate? The highway is 4,860.2km-long, ranking as the ninth longest highway in the world and the longest Interstate Highway in the US. It is the second-longest Interstate Highway in the United States, following I-90. I-95 is the longest of the odd numbers, which are reserved for north-south routes, with numbers increasing from west to east. The highest Interstate route number is I-990 north of Buffalo, NY. Puerto Rico’s three Interstate highways total 250 miles. Spanning 11 states total, I-80 is one of the original 1956 routes and hits some historic transportation paths. The Pan-American Highway is the world’s longest ‘motorable road,’ according to Guinness Book of World Records. The routes U.S.'s longest interstates cover a variety of our nation's landscape, some deluged by major metropolis traffic, others linking oceans to the heartland. Like 25 other interstates, I-40 starts its eight-state sprint in California, hitting cities such as Albuquerque, Oklahoma City, Nashville, Memphis and Little Rock. The shortest Interstate route segment is I-95 in the District of Columbia which is 0.11 mile long. "It is the longest north-south Interstate highway (five east-west routes are longer), and it passes through more states (15) than any other Interstate". US 6 is a diagonal route, whose number is out of sequence with the rest of the U.S. Highway grid in the western US. The lowest is I-4 across Florida. Beltways are designed to carry Interstate traffic around cities. What is the longest interstate in the US? I-70 touches the Eisenhower Tunnel, which is the the highest point in the entire interstate system at 11,158 feet, as well as the highest vehicular tunnel in the United States. In the United States, each state maintains its own system of state highways. The straightest road in North America. The system has been in … Question: Which African Country Has The Strongest Economy? One in five miles of the Interstate System is straight so airplanes can land in emergencies. Interstate 90 (I-90) runs from Boston, Massachusetts, to Seattle, Washington. Here are 7 of the interstates with the most impact and, naturally, longest reach. 129.61 miles - I-476, Pennsylvania. Starting with the Bay Bridge in San Francisco, I-80 also crosses the Bonneville Salt Flats near the Great Salt Lake, reaches 8,000 feet above sea level in Wyoming, and has a 72-mile stretch—the longest of all interstates—of virtually straight run outside of Lincoln, Nebraska. Facts and figures on the U.S. highway system. Although Hawaii’s Interstate highways are not connected to those in the continental United States, they are built to Interstate standards. The longest road is the previously mentioned Interstate 90 which is 3,020 miles long, and the shortest road is Interstate 87 in North Carolina which is only 13 miles long. Interstates are long stretches of highway that typically travel through more than one state, and have a total of four or more lanes. This northernmost interstate route starts near the home of the Seattle Mariners—Safeco Field—and immediately scurries through a tunnel under the Mount Baker Ridge, listed on the National Register of Historic Places. Interstate 90 is the longest interstate highway in the United States, connecting the cities of Seattle, Washington and Boston, Massachusetts. The highway was designated in 1956 as one of the original routes of the Interstate Highway System. What is the longest stretch of highway in the US? Will Longest U.S. Question: What Is The Largest Interstate In The United States? 50 STATES. Interstate 80 2900 Miles Starts in San Fransisco, CA ;Ends in Teaneck, NJ 3. We may earn commission if you buy from a link. The interstate is 4,987,000 meters in length. Interstates are intended to serve only traffic going from State to State. Walking parallel to U.S. Route 20 for the most part. Traversing 13 states, Interstate 90 is the longest in the nation, though it doesn't cover the most states. Interstate 80 (I-80) is the second longest after the Interstate 90 Highway in the United States. For comparison, the longest "orbital freeway" in the world, in the words of the 2001 Guinness Book of World Records, is the M25 motorway (121.5 miles) encircling London: a "3di" in function if not in name. Special to USA TODAY . I-70 was the first interstate to build through previously uncharted territory when it went through Utah's San Rafael Swell, and contains the longest stretch of interstate with no services. There are approximately 150,000 mi (240,000 km) of mainline track in the United States—the world's longest national railroad network. France. The American M… The States own and operate the Interstate highways. 1. The last section of Interstate 5/Westside Highway to be completed in California located near Stockton, which opened to traffic on October 12, 1979. The 7 Highest Points Across All 7 Continents. The interstate that runs from North Carolina to California is called Interstate 40. Air Force's Secret New Fighter Comes With R2-D2, Mathematician Solves the Infamous Goat Problem, Three Asteroids to Fly Past Earth on Christmas Day, In 1944, POWs Got a Great X-Mas Gift—An Escape Map, This content is created and maintained by a third party, and imported onto this page to help users provide their email addresses. I have always been very interested in systems. American road trip: The 50 longest highways in the US. What is the shortest interstate in the United States? Teresa Ronquillo. Question: What Is The Tallest Building In Nyc 2019? Three southbound which increase from west to east and spurs, are confined to one state, and.... American highway, with numbers increasing from west to east and west Sacramento, California made construction! ( I-90 ) which increase from west to east and west in five miles of Chicago and on. ’ ll see signs calling it “ historic route 66. ” 90 ( I-90 ) Columbia which 0.11. 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