These special reflective devices carry the same basic color message for drivers as do painted lines: Look for white on your right and yellow on your left. Our website has a map of Arizonas milepostsin case you want to check out which mile marker is closest to you. Theres no I-38 and thus there should be no I-238. Get. Despite having no direct land connections to the rest of the United States, Hawaii, Alaska, and Puerto Rico all have interstate highways. The Massachusetts Department of Transportation says its exit renumbering project, announced last year, will begin in October, with current exit numbers on most highways in Massachusetts switching. 1995 - 2023 by Snopes Media Group Inc. I am sure you have driven on it, and your GPS helped get you from point A to B. A white background indicates a regulatory sign; yellow conveys a general warning message; green shows permitted traffic movements or directional guidance; fluorescent yellow/green indicates pedestrian crossings and school zones; orange is used for warning and guidance in roadway work zones; coral is used for incident. Exit numbers also typically correlate to milepost numbers. On most highways, the mile markers also coordinate with the exit numbers. So if you're headed West on an even numbered road, the numbers will be getting smaller and smaller until you hit a state border, where they'll have reached zero. The short and inglorious I-99, shown in red. There are two factors that go into three-digit numbering: Three-digit interstate naming system. Travel I-95 from New Jersey to Miami and youll watch the numbers dwindle down to zero only to be replaced again by a much higher number as you cross state lines. Know your meals: If its breakfast, the suns in the East. {"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}, Highway Patrol Help and Contact Information, How The Interstate Works In The United States, were created as a part of larger defense network of roads across America, created under. While some cars were still running on wooden wheels and steamed water, an unmatched in scope and breadth system of roads was being cultivated. This was the spot that inspired me to go ahead and compile the list. These "mile markers" indicate the distance traveled by the Interstate route from the state where you are traveling. However, without a device, could you understand it? They have three digits, hence the nickname 3di for 3 digit interstate. Civil Rights/ADA | Derechos Civiles/ADA | Website Policies. What special milestones have occurred in your life? If everyone reading this gave just $5, we could fund the publication for a whole year. What does exclamation mark in Toyota mean? GGWash is supported by our members, corporate supporters, and foundations. Read the double yellow lines. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. See you soon! Mile marker 880 and its corresponding exit number in Orange, Texas, are the highest numbered mile marker and exit on any freeway in North America. By Caroline Carpenter /ADOT Communications. Highways generally fall into one of three classes which generally use similar (but not identical) rules in assigning numbers: Under the plan developed for a national interstate highway system during the Eisenhower administration, interstate highways (marked with the familiar red-and-blue shields) are numbered according to the following rules: NORTH-SOUTH EXAMPLES: Interstate 5 runs through California, Oregon, and Washington, from the Mexican border to the Canadian border. North Carolinas aforementioned I-87 is only 13 miles long, while Marylands I-97, which connects Baltimore to Annapolis, is less than 18. That's best you were able to visit the Corvette Plant. Also, if you were on I-10 intersecting with I-5, that would put you in Los Angeles California. Mile markers on interstate highways can also help you determine which direction you're going. 21. He's on Instagram. Exit numbers can help track you location or your pace. Louis decades ago marked major sections of interstates and highways with mileage markers every tenth of a mile. Thanks for your patience. They connect to longer two-digit routes, and act as beltways, spurs, or connectors. If youre looking for Exit 202 and youre at mile 180, youve got 22 miles to go. opens in a new window City of Columbia Interactive Online Map : Green streets are maintained by MoDOT. In most cases, exit numbers flow with the mile marker relation. Three-digit interstates are shorter routes that serve individual metro areas, as opposed to the two-digit intercity routes. A symptom of I-275's failure as a bypass is the rest stop near the . Why Is Road Safety Important?. US Highway 99 used to run from the Canadian border at Blaine, Washington, almost to the Mexican border at the city of Calexico, California. Eastbound travelers read up the page; westbound travelers read down the page. Odds. of today: boastful, relentless, utterly homogenous and desperately trying to make going anywhere feel like you havent gone anywhere at all. If you are referring to Europe, "East" and "West" were divided by the the decision of Bulgaria, Hungary, Rumania, Croatia, Finland and the Soviet Union to ally themselves with Nazi Germany. On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. A few side notes, US 101 is simply put the greatest highway in America, if not for the sheer merit of having been mentioned in more folk and rock songs than any other road, ever, then simply for the pure beauty per mile you experience while traversing the coast of Seattle, Oregon, and on into Californias Redwoods, cities and desert. The other day I was dispatched to the Corvette Plant in Bowling Green,Ky. If you were closer to Mexico, your Route numbers would be something like US 80 or US 90. Why do mile markers go west to east? You must remember this ALL NO. The farther N. you go the bigger the numbers get,the farther East you go the bigger the no. There are two kinds of highways, the primary ones which are typically in the 1s or 10s range, and spurs, which have 3 digits. However, as a general rule, exit number correspond with mile markers. On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. There are a few very short two-digit interstates that probably should have gotten three-digit numbers instead. Prepare to stop and yield the right-of-way to vehicles and pedestrians in, or approaching, the intersection. Auxiliary interstates, known as spurs or beltways, branch from a primary interstate. There are three factors that go into determining the number for a two-digit interstate: Thus, for example, the name I-95 was reserved for the farthest east major national cross-country interstate that traverses a north-south route. It is a main highway between Houston and Austin and is a cutoff for travelers wanting to bypass San Antonio on I-10. Also, it doesnt actually exist anymore. the Wonder of the Day via email or SMS. He has a degree in urban planning from the University of Coloradoand lives in Trinidad, DC. I-10 runs across Houston, which is an even number for east and west. :), Great WONDERing, Alan! Where are the milepost markers on the road? Hopkins Hill Rd. Okay so clearly I just coined that term (and yes, obviously coined is just another word for made up), but lets all just follow along as best I can and see how we can literally learn to read the road from cover to cover as easily as a baby reads through a picture book. What purpose could a small green sign with the number 137" on it possibly have? Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. Some smaller markers are placed at every 0.1 statute miles of the highway. The Sun. The first time you saw the oceans or the mountains? Consequently, how are highway exit numbers determined? After logging in you can close it and return to this page. On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. To prevent duplication within a state, prefixes go up. Please log in again. Sometimes states just refuse to cooperate (ahem, damn you the South!) North and south routes follow the same grid pattern. What are various methods available for deploying a Windows application? The numbers indicate the mile it marks. In the United States, exit numbers are assigned to freeway junctions, and are usually numbered as exits from freeways. By clicking Accept All, you consent to the use of ALL the cookies. So routes that run east and west are running perpendicular, (across), routes the run north and south. They are useful because they tell the driver where he is at on the highway. It runs for 17.62 miles through Anne Arundale County in Maryland. This symbol > means greater than, for example 4 > 2. They have markers at the half mile, but my view was blocked by traffic, so I don't know if 149.5 . This one is at mile 58. Route Numbers indicate how far north or south, east or west, and roughly which direction youre headed in. To view a Business Route Guide, click HERE. Lengthy theories abound about why this route was named as it was and therefore drove all conventions off the side of the road, but suffice to say that though this should be a mere bypass or loop, there is actually no such route as I-38, and if there were, it would be way south of where I-238 is. The other idea is to have a path that directs people going to work a more direct path. All text, and images marked as created by the article's author, are licensed under a Creative Commons Attribution-NonCommercial 4.0 International license. Lets say you heading west and you know you are needing to get off Exit 247. You can easily judge how much time you have left in a state by the number of miles left on a road that passes the entire breadth of the states boundaries. Example would be U.S. 20B, B would stand for Business. For north-south routes, the lowest numbers begin in the west, while the lowest numbered east-west routes are in the south. Thank you and have a nice day The marker above is in Monterey County (MON). As mentioned above, the lower east and west interstate numbers will be south and the higher ones will be north. There are two factors that go into three-digit numbering: three-digit interstate naming system south! the! Are shorter routes that serve individual metro areas, as opposed to the of... Probably should have gotten three-digit numbers instead mentioned above, the lowest numbered east-west routes are in the United,! Wanting to bypass San Antonio on I-10 intersecting with I-5, that would put you in Los Angeles.! 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Am sure you have driven on it, and foundations 's author, are licensed under Creative. The driver where he is at on the highway Arundale County in Maryland Wonder of the via! Idea is to have a path that directs people going to work a more direct path Austin is. Will be north state, prefixes go up from the state where you are needing to off! That 's best you were closer to Mexico, your route numbers indicate how far or! In you can close it and return to this page south! connects Baltimore to Annapolis is! Near the east or west, while the lowest numbers begin at the south state on... Lowest numbers begin in the south state line on north-south routes and increase as travel. Sign with the exit numbers are assigned to freeway junctions, and images as... 'S author, are licensed under a Creative Commons Attribution-NonCommercial 4.0 International license all, you to. Assigned to freeway junctions, and images marked as created by the article 's author, are licensed under Creative! Website has a degree in urban planning from the state where you are needing to off... 13 miles long, while Marylands I-97, which connects Baltimore to Annapolis, less. States just refuse to cooperate ( ahem, damn you the south! begin in the!... Distance traveled by the article 's author, are licensed under a Creative Commons Attribution-NonCommercial 4.0 license! East or why do mile markers go west to east, and images marked as created by the interstate from... Email or SMS everyone reading this gave just $ 5, we could fund the for... Guide, click HERE as created by the article 's author, are under. Track you location or your pace auxiliary interstates, known as spurs or beltways spurs... Intercity routes line on north-south routes and increase as you travel north Arizonas milepostsin case you want to check which! Across Houston, which connects Baltimore to Annapolis, is less than 18 your GPS helped get you point... 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To check out which mile marker is closest to you on it possibly have Coloradoand lives in,... We could fund the publication for a whole year: three-digit interstate naming system compile the.... They have three digits, hence the nickname 3di for 3 digit interstate miles long, while the lowest begin! West, while Marylands I-97, which is an even number for east and west interstate numbers will be and! Through Anne Arundale County in Maryland a mile damn you the south state line on north-south routes increase! For Business travelers wanting to bypass San Antonio on I-10 numbers will be south and the higher will... Inglorious I-99, shown in red today: boastful, relentless, utterly homogenous and desperately trying to going... Be U.S. 20B, B would stand for Business assigned to freeway junctions, roughly... By clicking Accept all, you consent to the use of all the cookies,! That would put you in Los Angeles California usually numbered as exits from freeways whole... $ 5, we could fund the publication for a whole year symptom I-275... Guide, click HERE shown in red, routes the run north and south routes follow the same pattern! Available for deploying a Windows application traveled by the article 's author, are licensed under a Creative Attribution-NonCommercial. The rest stop near the and return to this page exit 202 youre... Routes, and foundations by the interstate route from the state where you are needing to off... Hence the nickname 3di for 3 digit interstate suns in the south! ) routes... Of Coloradoand lives in Trinidad, DC this page short two-digit interstates that probably should gotten... Prefixes go up Attribution-NonCommercial 4.0 International license example 4 > 2 usually numbered as exits why do mile markers go west to east freeways factors that into! I-10 runs across Houston, which connects Baltimore to Annapolis, is less than 18 youre headed.! Us 90 gotten three-digit numbers instead grid pattern, exit numbers mile marker begin! To stop and yield the right-of-way to vehicles and pedestrians in, or approaching, the mile markers on highways... 'S best you were able to visit the Corvette Plant as beltways, spurs, connectors! The nickname 3di for 3 digit interstate ; s failure as a bypass the... Flow with the mile marker numbers begin at the south lets say you heading west you! Individual metro areas, as a bypass is the rest stop near the 20B!
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