Since I began learning about the Interstate System in my youth, the fact that there existed "hidden" Interstates fascinated me. A Dayton native, Rebecca got her start blogging at the curiously named Harlac’s Tongue while studying abroad in the UK. !.I She loves tooling around town with her Ford Focus named Jerome to the song they’re playing on the radio. Dallas-Fort Worth has one of the world’s most extensive urban freeway systems. Basic information and facts for every route within the Eisenhower Interstate System. While the interstate highways in Hawaii are signed similar to those in the contiguous United States, those in Alaska and Puerto Rico are signed with their state/territory route designation, not Interstate Highway shields. In 1921, the focus shifted as Congress reshaped the program to restrict Federal-aid to a limited, designated system totaling no more than 7 percent of each State’s roads, with three-sevenths of this system being “interstate in character.” Up to 60 percent of the f… Once the road was fully brought up to Interstate Standards, AASHTO approved I-595 for the route, but Maryland chose not to sign the route. On any given weekend, you can find her with her camera at area festivals, concerts, and car shows, shopping at flea markets, or taking an adventure on the open road. When the highway system was introduced, it was simply known as "the National Defense Highway System." The sources I found about the unsigned interstates never seemed to agree on how many unsigned interstates there are, but there are reportedly at least 19. When the facts wander into automotive territory, we feel especially qualified to take on the drink giant. Signed in 1960, I believe this was given interstate status simply to advertise the new interstate highway system, or to give the Bristol area the distinction of having its very own interstate connection. Unsigned Interstates These routes are officially part of the Eisenhower Interstate System, yet … The company calls them “Real Facts” (quotations and all), but in this office we tend to question the validity of the statements. AASHTO rejected that idea, but approved extending I-97 westward, and making the road east of I-97 Interstate 197. Construction of the system was authorized by the Federal Aid Highway Act of 1956. This is generally the reasoning behind not numbering Interstate highways, as the vast majority of unsigned routes are less than four miles in length. They are federally maintained and adhere to the standards of any other signed interstate highway, but are officially part of the Eisenhower Interstate System only on paper. Examples of this include I-315 in Montana, which runs less than a mile in length in Great Falls, MT. The same thing is true of Interstate 595 in Maryland because it’s also part of U.S. 50. During the initial construction of the system, 90% of the funds for the roads were provided by the Federal Government. 2.0 National Defense as an Argument for the Interstate System After World War II, highway experts and proponents of the Interstate System often stressed the defense aspects of the system and superlatives were the norm. There were some four lane highways going between major cities. Interstate highways make up three percent of all roadway lane miles in Pennsylvania and have a combined length of 1,953 mi (3,143 km) within the state. For instance, today I purchased a Diet Snapple Trop-A-Rocka tea*, and when I opened it I was greeted with “Real Fact” 960, which states that “There are 21 ‘secret’ highways that are part of the Interstate Highway System. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. The 42,500 mile system then was envisioned for completion in 1980. Maybe they're waiting for an eastward extension of I-68, who knows. The Interstate Highway system in 1974. This piece of legislation committed the federal government to build what became the 42,800-mile Eisenhower Interstate Highway System, which makes it … This 1958 map of interstate highways shows improvements in rural segments to be completed over the next quarter-century. The Federal Aid Highway Act of 1968 increased the Interstate system by 1,500 miles. The Interstate Highway System at its inception was much different than it is today, with regard to funding. I do know for sure, though, that there no secret highways without signs lurking in the wilds of America waiting to snap up you and your car. For the most part, we take our cross-country highways for granted. At almost 20 miles in length, I-595 is about as long as the average 3-digit Interstate Highway, and two miles longer than I-97, which is by far the shortest 2-digit Interstate Highway at just 17 miles in length. I-H201 was initially signed as HI-78, but has been signed since 2004. In the very early part of the last century, national highway policy was focused on getting farmers out of the mud and getting their produce to market. The formal name for these roadways is The Dwight D. Eisenhower National System of Interstate and Defense Highways, and the project was approved by Congress through the Federal Aid Highway Act of 1956. He also stated that the system should be built for environmental and economic reasons. 05/20/14. In 1972, Robert M. Salter, lead scientist with the Rand Corporation, announced during an interview with LA Times science writer George Getz, that a high speed system could be built using existing (1972) technologies. Secret\" routes are stretches of state-maintained road given route numbers for tracking purposes. This practice is codified in Section 103(c)(1)(B)(ii), 23 U.S.C., which states , "Highways on the Interstate System in Alaska and Puerto Rico shall be designed in accordance with such geometric and construction standards as are adequate for current and probable future traffic demands and the needs of the locality of the highway." While the plan’s […] Read More On Snapple “Real Facts”: The Atlantic. nothing but highways between states connecting major cities in a state with major cities in other state Unfortunate Railroad History Preserved in a Cemete... Three miles of US-131 in Grand Rapids between I-96 and I-196 is actually unsigned I-296. This list breaks down the Interstate-Guide by states (and the District of Columbia) and including current, former, future and unsigned routes. According to Interstate-Guide.com, there are highways not identified by road signs, but they are by no means secret. Routes or U.S. According to Interstate-Guide.com, there are highways not identified by road signs, but they are by no means secret. 3) Interstate 180 (Illinois) I-180 runs 13 miles from I-80 in Central Illinois to Hennepin, IL. Start studying Unit 7: Interstate Highway System. This map was created by a user. They are not identified as such by road signs.” Could that possibly be true? There are 70 primary Interstate Highways in the Interstate Highway System, a network of freeways in the United States. Interstate Highway Traffic and Road Conditions Reports. The name comes from the fact that the roads are unsigned but officially part of the Eisenhower Interstate System. There are 21 “secret” interstate routes. The 1956 Federal Highway Act converted many two-lane state roads into well-paved, four-lane superhighways, speeding travel between major population centers. The system extends throughout the contiguous United States and has routes in Hawaii, Alaska, and Puerto Rico. The Interstate Highway System includes highways outside the contiguous United States. If you’ve ever enjoyed a Snapple beverage, you’re probably aware of the fun trivia printed on the underside of the metal lids. A town of 700 people. And far fewer cars as has already been noted. Image: Puerto Rico's Unsigned Interstates. This site has affiliate agreements with certain websites. Image: Route of the unsigned I-595 between I-95/495 and MD-70. Twenty-four percent of all vehicle traffic is on the Interstate system. Abandoned Railroad Corridors Map/RailROWMap. TIL there are 21 "secret" Interstate Highways in the US. Image: I-910 along Business US-90 in red. In 1950, before the interstate system was developed, there were only 150 million people in America. They are not marked, but are officially a part of the Eisenhower Interstate System. Learn how to create your own. They are assigned one- or two-digit route numbers, whereas their associated "auxiliary" Interstate Highways receive three-digit route numbers. The U.S. Interstate Highway system has a deeper and more interesting history than you would think, dating back over a century ago. See more articles by Rebecca. Nonetheless, the designation occasionally referred to on Maryland's traffic information website, For more information on the rest of the Unsigned Interstate Highways, Interstate-Guide.com maintains a complete list of all the. Today we'll go over some of these routes, and why they aren't signed as an Interstate. However, those highways did have stop lights as they went through more developed areas, but there were far fewer stop lights than today. There is also Interstate 1345 in Dallas -- Runs concurrently with US75 from I-30/I-45 to TX-366, Despite being the highest standard of highway in the world, the Interstate Highway System has a few highways which, despite being fully part of the system, do not carry such a signed designation. Most Interstate highway projects today are funded with a mix of federal, state and local funds. Sometimes, we even seem to despise them. Maryland continued to push for I-68, but that never materialized, as I-68 was to be applied to a road in Western Maryland and West Virginia, from I-79 to I-70 in Morgantown, WV and Hagerstown, MD, respectively. I’m certainly not the first person to contest Snapple’s “Real Facts” (The Atlantic dedicated a whole story to the bottle caps in 2012), and I won’t be the last. However, his mango, pear, papaya, and cinnamon tea is excellent. I-11 is one of the newest corridors designated in the Interstate Highway System. 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