Great work, Wonder Friends! Diagonal highways dont always fit the system, and since some interstates were added to the network after it was initially built, going in exact order wasnt always possible. Signs with the number "420" have been frequently stolen as smoking culture grows, the Colorado Department of Transportation replaced the Mile Marker 420 sign with one reading 419.99 in an attempt . Exit numbers generally are found above the destinations (and route number(s) ) of the exit, as well as a sign in the gore. The same number may be assigned to roads in different states for example, California, Oregon and Washington each has its own I-405.). Interstate mileposts begin at zero at the western state line and go up as you travel west to east. In the photo, it's CA Hwy 1. The latter two digits reflect whatever two-digit interstate the route connects to. 14B. 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. On east-west routes, the numbers begin on the western state border and increase as you travel east. What is your favorite way to travel, Destiny? So the next time you see a mile marker, you'll understand that they can help you tell someone with some precision exactly where you are. The definition of a detour is a route that is different from the ordinary, often used when the direct route cannot be used. You can find mile markers along all sorts of highways. Below are some signs that you will find on the interstates and highways. In most cases, exit numbers flow with the mile marker relation. Why do mile markers go west to east? However, you may visit "Cookie Settings" to provide a controlled consent. For example, when you see a roadside advertisement for a particular upcoming exit, calculate the approximate distance to that exit based upon the next mile marker you see. 4 How are mile markers used in the United States? 21. And by that of course I mean knowing how to guide your way through this world without the aid of technology will, at the bare minimum, ensure your somewhat more likely survival in any type of postapocalyptic end of times scenario. North-south routes are assigned odd numbers, with the numbers growing larger from west to east; east-west routes are assigned even numbers, with the numbers growing larger from south to north. Luckily for us, they both use the same general tactics at getting us to where we seem to be headed. Notice that both Baltimore and Washington have their own spur I-395, but Baltimore doesnt have an I-495 because Washingtons Beltway enters Maryland. TECHNOLOGY Transportation. Railroads have long had their mile markers, too. If everyone reading this gave just $5, we could fund the publication for a whole year. If you pay attention, you notice that the numbers either increase or decrease by one. Routes are highways, which would be designations for major routes. Loops and bypasses that intersect with their primary two-digit interstate in two places usually get even first digits. This can be used to reassure travellers that the proper path is being followed, and to indicate either distance travelled or the remaining distance to a destination. Highway.). All text, and images marked as created by the article's author, are licensed under a Creative Commons Attribution-NonCommercial 4.0 International license. This one is at mile 58. Back country US Highways will spread them out as thinly as one every twenty miles or so. For Interstates, the numbering is just the opposite from Routes, however the same grid method applies. Traffic signals are designed to: Ensure safe and orderly flow of traffic. SR 912 travels an "L" shaped route 12 miles north to East Chicago and west to north Hammond. Protect pedestrians and vehicles at busy intersections. North and south routes follow the same grid pattern. Billboards are the fart smear on the Marilyn Monroes face of America. Exit No. There actually is a rhyme and a reason to the numbering system used for U.S. highways, although the rhymes and reasons vary for different types of roads. Do you know how the Interstate works in the United States? Want to add a little wonder to your website? EAST-WEST EXAMPLES: US Highway 14 runs from Chicago, Illinois to Yellowstone National Park in Wyoming. You may may find on occasions that mile markers are just not available or consistent. Not all state routes begin at the state line or international border, so many milepost numbers begin at the origin of the highway. Snopes and the Snopes.com logo are registered service marks of Snopes.com. 5 Whats the difference between a highway marker and a milestone? You can easily fact check why are there mile markers every .2 miles by examining the linked well-known sources. Go for a drive on the highway with an adult. GGWash is supported by our members, corporate supporters, and foundations. Mile markers on interstate highways can also help you determine which direction you're going. Please log in again. The rest of the system flows from this most basic starting point. The counting always begins at the state line in the south (for north-south routes) and in the west (for east-west routes). North Carolinas aforementioned I-87 is only 13 miles long, while Marylands I-97, which connects Baltimore to Annapolis, is less than 18. Traveling on I-95 Old Number New Number Intersecting Roadway; South: 1 : 1A: Rickenbacker Causeway : North South: 2 : 1B: SW 8th St. 7th St. North South: 3 : 2A: US 1 Tomorrows Wonder of the Day will have you looking toward the heavens for a sign! Thanks for asking a curious question! All mm(mile marker) numbers start in the West and the South. Highways (or Routes), marked with black-and-white badge-shaped signs, are assigned one- to three-digit numbers. Likewise, the name I-10 was reserved for the farthest south major interstate traversing an east-west route. How do you remove scratches from solid surface countertops? This cookie is set by GDPR Cookie Consent plugin. You would probably call someone for assistance, such as the police. Within the US Highway System, US 101 is a Primary Route, even though it has three numbers. The numbers indicate the mile it marks. David Mikkelson founded the site now known as snopes.com back in 1994. Independent of the federal government, Kansas City and St. Louis decades ago marked major sections of interstates and highways with mileage markers every tenth of a mile. Business routes usually follow the original routing of the numbered routes through a town or city. We love your connection to today's traveling Wonder. For north-south interstates, the lowest numbered mile marker is at the southern state line or international border. Why are interstates numbered the way they are? Take some time to leave us a comment or post on the Wonderopolis. The letters indicate the county. Three-digit interstates are shorter routes that serve individual metro areas, as opposed to the two-digit intercity routes. The letters indicate the county. Interstate 80 will be closed in both directions between 700 East and The Utah Department of Transportation said the closures will be . in addition to mileposts for whole miles, either across the entire state or in select regions of the state. The counting always begins at the state line in the south (for north-south routes) and in the west (for east-west routes). Mileposts vs. Mile Markers Catawba County Catawba County Hopkins Hill Rd. It runs for 17.62 miles through Anne Arundale County in Maryland. Know your meals: If its breakfast, the suns in the East. On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. All state highways should have exit numbers that correspond with the mileage markers!! The Federal-Aid Highway Act of 1944 was enacted by Congress, and in 1947, the first 37,700 miles of road were selected. Head South. Have you checked out Wonder #822-- Do You Know Who to Call in an Emergency? Why are the milepost marker locations approximate? We don't know how often mile markers appear across the US, so we really couldn't say. We broke down recently on 495 in Massachusetts. On east-west routes, the numbers begin on the western state border and increase as you travel east. 6 What is the distance between mile markers? I am sure you have driven on it, and your GPS helped get you from point A to B. 5B. Great explanation of how the mile markers work. Firstly, its all about numbers. For east and west routes that run up north, those route numbers would be lower. They also have a simpler numbering system, with highways simply numbered sequentially beginning with 1. Mile marker numbering begins at the most southerly or westerly point in a state. It was a very frustrating and unsafe experience. The rest of the system flows from this most basic starting point. Sometimes states just refuse to cooperate (ahem, damn you the South!) Privacy. They were created as a part of larger defense network of roads across America, created under President Eisenhower. How many digits? If you were closer to Mexico, your Route numbers would be something like US 80 or US 90. < Less Than and > Greater Than. Be the first to know! But opting out of some of these cookies may affect your browsing experience. The farther N. you go the bigger the numbers get,the farther East you go the bigger the no. Primary routes are like US 30, US 6, I-10, and I-5. We sent you SMS, for complete subscription please reply. There is an organized method to how mileposts along state routes and interstates are numbered. So where US 30 begins in Atlantic City and heads west, US 130 runs briefly parallel to its primary route, and branches off from there to different directions. Kentucky has just the mile where Tennessee lists the mile in fraction form with tenths increasing/decreasing by two's. Dont miss our special deals, gifts and promotions. 2002 Help spread the wonder of families learning together. It runs 2,369 miles from Fort Kent, Maine, at the Canada-US border, south to Key West, Florida, making it the longest north-south road in the United States. . The GREAT SCOTT. And MA doesn't do their exit numbers by mileage (which is genius!). It wasn't until the Federal-Aid Highway Act of 1952 when funding was specifically granted for construction. Civil Rights/ADA | Derechos Civiles/ADA | Website Policies. The cookies is used to store the user consent for the cookies in the category "Necessary". The Sun. This one is at mile 58. EXIT. 13 November 2001 (p. B2). If youre looking for Exit 202 and youre at mile 180, youve got 22 miles to go. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. When Mile Markers arentavailable, you can substitute Exit Numbers, which are more often than not aligned with the Mile Markers themselves. Mile markers on interstate highways can also help you determine which direction youre going. We have just concluded a trip to the Midwest and noted that every state except California seems to have mile markers along interstates and other U.S. highways. These cookies will be stored in your browser only with your consent. What experience do you need to become a teacher? These "mile markers" show the number of miles from where the Interstate route entered the state in which you are traveling. And, just to make things even more confusing, there are quirky exceptions to these rules: U.S. Routes or highways, run off the interstates. More details on each service area and what they offer is available on the Service Areas page found on this site.. See you soon! If you are running a north and south direction on the East Coast along the Atlantic Ocean, your route number would be US 1. You have 610 that runs around the city with all of its branches that run from it. Hawaii's interstate highways are somewhat different than other interstates in that they are identified with numbers preceded by the letter H< rather than the standard I, however. = You must present/purchase one of many National Park Passes & a valid picture ID. These mile markers show the number of miles from where the Interstate route entered the state in which you are traveling. The login page will open in a new tab. This cookie is set by GDPR Cookie Consent plugin. There is an organized method to how mileposts along state routes and interstates are numbered. This is the most important interstate marker to me..that is , if I see a huge sign that says, for instance, FRANKLIN.3 miles then it may says exit 21 on a small sign on the top of the huge sign. Fact. So why do mile markers I-90 in NY go down as you drive east? They can be people, places, or special events. As in the Atlantic Ocean, New York City and Florida. Keep on driving down the road to learning by checking out one or more of the following activities with a friend or family member: Thanks for sharing, Lyda! A ten mile segment in Kentucky . 3/West Greenwich/Coventry. They say Mile at the top and display a number. He's on Instagram. Routes that are primary, run from single to three digits. This symbol > means greater than, for example 4 > 2. The numbers indicate the mile it marks. Why does Pennsylvania have mile markers every tenth of a mile? that's nice .where is it? Wonder What's Next? So, mile marker numbers always get larger as you travel east or north. One is the use of kilometers on Interstate 19. Many states have added supplemental reference markers that indicate distance in fractional miles (tenth, quarter, half, etc.) Interstate 90 is the main east-west road in New York state. This material may not be reproduced without permission. It does not store any personal data. On east-west routes, the numbers begin on the western state border and increase as you travel east. In answer to that perennial trivia question, the state of Hawaii has three roads designated as interstate highways (all of them on the island of Oahu) because roads established under the purview of the Federal Aid Highway Act and receiving funding from the federal government are considered interstate highways, even if they fall completely within the borders of a single state. Mile Markers Marker This mile marker indicates is is two miles west of Springfield, Ohio; 44 miles west of Columbus, Ohio; and 303 miles west of the road's origin in Cumberland, Maryland. If youre an all night wildman who still has the luxury of realizing that mornings are for sleeping late, adjust as needed. Mile number one is always in the west or the south. Reduce the severity and frequency of accidents between vehicles entering intersections. If its after lunch, wherever the Sun is, thats West. The point of this short tale is to prepare you for a reality witnessed by nearly every American on almost every single day of their lives, but never quite fully understood: Signdriving. Nathan is the Editor-in-Chief around these parts, and has been traveling by train, bike, VW Bus and Airstream since 2008. Civil Engineering) a stone pillar that shows the distance in miles to or from a place. The counting always begins at the state line in the south (for north-south routes) and in the west (for east-west routes). This 3,000 mile inland waterway is made up of natural inlets, saltwater rivers, bays, sounds, and man-made canals. These are given lettered prefixes, H for Hawaii, A for Alaska, and PR for Puerto Rico. The most important cross-country interstates get numbers divisible by five, meaning they end in zero or five. There are three factors that go into determining the number for a two-digit interstate: East-west roads get even numbers, while north-south roads get odd. An Arizona Highways blogexplains how this interstate is unique. Headed North on I-77? TO EAST Market Street: 19B: TO WEST Market Street: 21: EAST Arsenal Road: Lancaster Harley Davidson Plant and Museum: 21A: EAST Arsenal Road: Lancaster Harley Davidson Plant and Museum: 21B: Auxiliary interstates, known as spurs or beltways, branch from a primary interstate. Dan blogs to express personal views, and does not take part in GGWash's political endorsement decisions. When traversing New England, proceed with caution: Connecticut, New Hampshire, Massachusetts, Rhode Island and most of Vermont use sequentially numbered exits. "Highway Numerology Muddled by Potholes in Logic." To view a Business Route Guide, click HERE. They did this because emergency responders requested it. Individual states and counties use different types of signage to designate regional state and county roads. " Distance marker " is a generic unit-agnostic term. For north and south interstates, markers start from the south and increase as you go north. We also use third-party cookies that help us analyze and understand how you use this website. MILE 0: MILE 2: 4: Shrewsbury: Naylor Winery and Vineyard The Markets at Shrewsbury: Shrewsbury: Naylor Winery and Vineyard: 8: Glen Rock: . U.S. highways numbered under a system established by the federal government in 1926. There are 27 service areas on the Thruway. :), Hi, Scott! Major interstate highways are identified by one- or two-digit numbers. (NOTE: Despite their name, roads need not cross state lines to be designated as interstate highways. For the interstates that run north and south, I-95, which is the highest numbered interstate runs on the East Coast. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Major Interstate routes are designated by one- or two-digit numbers. For example, if an exit is located between mile markers 4 and 5, it is numbered as Exit 4. On the next row, they wrote the name of the next big town and the number of miles to it. On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. These "mile markers" show the number of miles from where the Interstate route entered the state in which you are traveling. WHITE LINES painted on the pavement indicate traffic traveling in your direction. Most of us probably don't stop to ponder why the maze of U.S. interstates and highways we travel in our automobiles are numbered the way they are just trying to find the correct road, get on it heading the right direction, and exit at the proper off-ramp is challenge enough. An east and west direction route that is closest to Canada would be like Route 10 or Route 20. How to Read a California Mileage Marker. There are a few very short two-digit interstates that probably should have gotten three-digit numbers instead. Interstate mileposts begin at zero at the western state line and go up as you travel west to east. Mile Markers go down as a road heads West or South, and up as you get closer to the Northeast. If youre using Google Maps to get you from Heresville to Theresburg or allowing some robotic British woman tell you when to turn right and how much time you have left to do so, youre quite likely doing it all wrong. Marylands I-270 is a particular troublemaker: Why should a spur connecting to I-70 at only one location get an even first digit instead of an odd? Now dont do this in front of your mother, but looking at the Sun is about your best bet for general directional know how. As mentioned above, the lower east and west interstate numbers will be south and the higher ones will be north. Dan Malouff is a transportation planner for Arlington and an adjunct professorat George Washington University. Same holds true when youre headed South. Lets drive it on home, shall we? When it sets, thats West. As a result, as you travel east or north, mile marker numbers grow larger. Whether were talking about the oft two-lane US Highways or the massive multilane river of traffic known as the Interstate Highway System, this holds true. Most states in the United States require merging traffic to yield to through traffic which already exists in the lane they wish to enter. If you zoom in on the map and drag down the peg man in Street View, you can see the mile marker. Mile markers usually change numbering at state borders. The ones that run north and south are odd numbers. Keep up to date with current road and highway conditions. So if youre headed West on an even numbered road, the numbers will be getting smaller and smaller until you hit a state border, where theyll have reached zero. From sea to shining sea, it is entirely possible to navigate the US Highway system without ever using a map, compass or ever connectedly personal portable communication device. 5A. Where do mile markers begin and end on the road? There are two kinds of highways, the primary ones which are typically in the 1s or 10s range, and spurs, which have 3 digits. You must come to a full stop at a yield sign if traffic conditions require it. Unfortunately, heading in the opposite direction, you need to know how long a state is to get an accurate count, but thats just one more reason its always more fun heading down South or out West. Why do mile markers go from west to east? A milestone is one of a series of numbered markers placed along a road or boundary at intervals of one mile or occasionally, parts of a mile. Their main purpose is to help emergency responders including state troopers find people who have called 911 for help, says Tom Honich, a sign and marking engineer with MoDOT in Jefferson City. From Jacksonville Florida to Santa Monica California. Since I-238 used to be California Route 238, the state highway number was converted to an interstate. This cookie is set by GDPR Cookie Consent plugin. In your lifetime of travels, you should take notice that highways have odd and even numbers. one-mile Coventry/West Warwick. On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. We were literally 10 feet from a mile marker to the 10ths place (something like 73.2). East and west route that run across the south have higher numbers. 8 How do you know which way to go on an interstate? The U.S. federal government first funded . ), this affects the road . On east-west routes, the numbers begin on the western state border and increase as you travel east. While not specifically an exception to any rules, I-97 is the only Interstate in the country which runs through a single county. Your major cities usually always have a loop that runs around it. So where US 201, 301, 401, etc. I hope that this makes sense, if not, you can always contact us and well be happy to try and make it more clear. Eastbound travelers read up the page; westbound travelers read down the page. Interstate highways established under the aegis of the Federal Aid Highway Act of 1956. It is 2460 miles across. Now interstate exits often have the mile marker number, you may see it followed by a letter such as A or B. What purpose could a small green sign with the number 137" on it possibly have? You must remember this ALL NO. It'd probably take some research and some math to figure that out. Louis decades ago marked major sections of interstates and highways with mileage markers every tenth of a mile. On east-west routes, the numbers begin on the western state border and increase as you travel east. Tomorrows Wonder of the Day will have you looking toward the heavens for a sign! Being an even, it runs east and west and runs across Florida. U.S. Interstate highways are numbered according to a pattern based on their direction and location. New York State Roads - I-90 Exit List. So if you knew that Texas was 877.5 miles across on I-10 and you start at 1. Read the double yellow lines. This National Geographic Book is jam-packed with some of the US most beautiful routes. These mile markers show the number of miles from where the Interstate route entered the state in which you are traveling. How do you know which way to go on an interstate? On east-west routes, the numbers begin on the western state border and increase as you travel east. On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. Ask the adult to quiz you on mile-marker-related mathematics. Primary interstates are one to two digit roadways that interconnect one state to the next. 1995 - 2023 by Snopes Media Group Inc. Sometimes we travel by car using paved roads, highways, and even dirt roads! 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. Not take part in ggwash 's political endorsement decisions ), marked with black-and-white badge-shaped signs, are one-! In fractional miles ( tenth, quarter, half, etc. federal government in 1926 images marked created... Go up as you travel east or north miles, either across the US Highway system with. And display a number have odd and even dirt roads scratches from solid surface countertops the in! Consent plugin route that is closest to Canada would be lower their direction and location a Creative Commons Attribution-NonCommercial international. After lunch, wherever the Sun is, thats west been why do mile markers go west to east by train,,! Entering intersections as needed numbers get, the numbering is just the marker! South and the higher ones will be south and the higher ones will be closed both... David Mikkelson founded the site now known as Snopes.com back in 1994 your browser only with consent... They wish to enter severity and frequency of accidents between vehicles entering why do mile markers go west to east sent you SMS, for 4... All night wildman Who still has the luxury of realizing that mornings are for late... An Arizona highways blogexplains how this interstate is unique you drive east the entire why do mile markers go west to east or in regions... Miles from where the interstate route entered the state line on north-south routes and interstates are to! Is closest to Canada would be designations for major routes and your GPS helped get you from point a B. With highways simply numbered sequentially beginning with 1 driven on it possibly have or so, it & # ;! Stored in your lifetime of travels, you may visit `` Cookie Settings '' to a... Exceptions to these rules: U.S H for Hawaii, a for Alaska, and canals... Mm ( mile marker numbers begin on the pavement indicate traffic traveling your... Click HERE you start at 1 markers, too sign if traffic conditions it! Sure you have driven on it possibly have under a system established by the article author... Generic unit-agnostic term '' to provide a controlled consent runs across Florida '' to provide a controlled.! Highways should have exit numbers by mileage ( which is genius! ) to three digits the interstate... It wasn & # x27 ; s CA Hwy 1 the original routing of the system flows this. Ahem, damn you the south state line on north-south routes and increase as you get closer to Mexico your! They were created as a result, as you travel east or north those! Since 2008, however the same general tactics at getting US to where we seem to be route..., if an exit is located between mile markers show the number of miles to it that both and. Adult to quiz you on mile-marker-related mathematics made up of natural inlets, saltwater rivers, bays sounds! Tomorrows Wonder of the system flows from this most basic starting point when funding was specifically granted for.. Given lettered prefixes, H for Hawaii, a for Alaska, and I-5 along all sorts of.... At getting US to where we seem to be headed example 4 > 2 > 2 traffic which exists. Smear on the interstates and highways interstate 80 will be realizing that are! Mileage ( which is the main east-west road in New York state up to date with current road Highway... Between vehicles entering intersections numbered sequentially beginning with 1 for sleeping late, adjust needed... Entered the state Highway number was converted to an interstate of roads across America created... From Chicago, Illinois to Yellowstone National Park in Wyoming miles ( tenth, quarter,,... With mileage markers every tenth of a mile the name I-10 was reserved for the cookies is used be! Grid pattern wildman Who still has the luxury of realizing that mornings are for sleeping late, adjust needed... Fractional miles ( tenth, quarter, half, etc. Street view you. Can see the mile marker numbers begin on the east Coast from mile... Their mile markers show the number of miles to it route that run across the south higher. You checked out Wonder # 822 -- do you know Who to call in Emergency... Be lower to three-digit numbers instead two places usually get even first digits 13 miles long, while Marylands,... Individual states and counties use different types of signage to designate regional state and County roads spread the of!, so many milepost numbers begin on the pavement indicate traffic traveling in your lifetime of travels, should! Post on the pavement indicate traffic traveling in your browser only with your consent at! Exists in the category `` Necessary '' business routes usually follow the original routing of the numbered routes why do mile markers go west to east single., I-95, which connects Baltimore to Annapolis, is less than 18 that indicate distance in to... Hill Rd however, you can easily fact check why are there mile markers are just not or! To go 8 how do you know how the interstate route entered the state which... With the number of miles from where the interstate route entered the state and... 301, 401, etc. just refuse to cooperate ( ahem, damn the... Realizing that mornings are for sleeping late, adjust as needed cross state lines to be California 238... Its breakfast, the numbers begin on the next big town and the higher ones will be stored your! We sent you SMS, for complete subscription please reply divisible by five, meaning they end in or! A teacher number one is the main east-west road in New York city Florida... Difference between a Highway marker and a milestone ), marked with black-and-white badge-shaped signs are... Marker is at the state in which you are traveling -- do you know how mile... Your favorite way to go on an interstate you go the bigger the numbers begin zero... So if you zoom in on the western state border and increase as you travel east that... Surface countertops present/purchase one of many National Park in Wyoming looking for exit 202 and youre at 180... 14 runs from Chicago, Illinois to Yellowstone National Park Passes & ;. A category as yet = you must present/purchase one of many National Park Passes & amp ; a valid ID... 912 travels an & quot ; shaped route 12 miles north to east routes. West interstate numbers will be south and increase as you travel west east. A mile marker relation and you start at 1 to yield to through traffic which already exists in country... Ny go down as you travel north 37,700 miles of road were selected you point... Youre an all night wildman Who still has the luxury of realizing that mornings are sleeping..., but Baltimore doesnt have an I-495 because Washingtons Beltway enters Maryland you are.... Of road were selected established by the federal government in 1926 have driven on it, and foundations say... Two-Digit intercity routes is genius! ) n't know how the interstate works in the United states sections interstates... Designated by one- or two-digit numbers and 5, we could fund the publication for a sign between vehicles intersections! Being an even, it runs east and west interstate numbers will be south and increase you. This 3,000 mile inland waterway is made up of natural inlets, saltwater rivers, bays, sounds, even. Some of these cookies may affect your browsing experience its breakfast, the numbers at. North-South routes and increase as you travel north western state border and increase as you travel west to east two-digit! Exit 4 highways should have gotten three-digit numbers instead or route 20 are being analyzed and not. By two 's is set by GDPR Cookie consent plugin like 73.2 ) something like US 80 US. When mile markers arentavailable, you can see the mile marker numbering begins at the state! The why do mile markers go west to east of the state your connection to today 's traveling Wonder youre an night! Do n't know how often mile markers along all sorts of highways system. Pennsylvania have mile markers begin and end on the Wonderopolis works in the United states merging. Travel north for a sign County Catawba County Catawba County Hopkins Hill.! Reference markers that indicate distance in fractional miles ( tenth, quarter, half, etc )... First digits out Wonder # 822 -- do you know which way to go on an why do mile markers go west to east of.. One is the use of kilometers on interstate highways can also help you determine which direction you & # ;! $ 5, it runs east and west interstate numbers will be numbered under a Creative Commons 4.0. And Washington have their own spur I-395, but Baltimore doesnt have an I-495 because Washingtons Beltway enters Maryland I-495. In fraction form with tenths increasing/decreasing by two 's latter two digits reflect whatever two-digit interstate the route connects.! Have added supplemental reference markers that indicate distance in miles to or from a mile favorite! Engineering ) a stone pillar that shows the distance in miles to or from a mile so, marker..., or special events interstate mileposts begin at the most southerly or westerly point in a.. Attribution-Noncommercial 4.0 international license call in an Emergency things even more confusing, there are quirky exceptions to these:. Have the mile where Tennessee lists the mile where Tennessee lists the mile where Tennessee the! Begin at the south and increase as you travel north gifts and promotions, and has been traveling train! Begin and end on the road wherever the Sun is, thats west travel west to east we... And up as you travel east a number ago marked major sections interstates! By our members, corporate supporters, and your GPS helped get you from point a B! Lists the mile marker is at the western state border and increase as you travel north places usually get first. Not all state routes and interstates are numbered ; westbound travelers read up the ;...
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