As with most things, there are definitely exceptions to the rule! Highways and interstates have actual intelligent design to them. Want to get paid to write great stories about living on the road? 23 miles of I-75 bisect the I-275 loop almost perfectly, with 46 miles to the east and 43 miles to the west. Being able to provide a milepost is especially important in rural areas without landmarks. We also love Route 20, coast to coast, the Loneliest Highway US 50, and if a freeway is necessary, US 70 through Colorado and Utah cant be beaten. The cookie is used to store the user consent for the cookies in the category "Analytics". New York mostly follows suit. Do you wonderopolis? The milepost markers shown in this map were primarily obtained from a statewide roadway inventory data collection effort in 2013 and represent the physical locations of milepost markers along these routes as they appeared during that year. This one is at mile 58. They can be people, places, or special events. Great work, AJ, it's important to remember what to do in an emergency. This is useful when calling in emergency services. It's a good thing to WONDER about, after all. Save my name, email, and website in this browser for the next time I comment. From the Lincoln Highway right up to the star spangled Interstate System of today, a plan has been in place all along to guide us with nothing more than our literacy and a little memorization. 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. These "mile markers" show the number of miles from where the Interstate route entered the state in which you are traveling. Also, if you were on I-10 intersecting with I-5, that would put you in Los Angeles California. Search All Exits along I-80 traveling Eastbound in Wyoming. Listen to the road. Not the cherry tree choppers and horse back revolutionary alarm fellows, but a little more recently, the good folk from black and white TV days. Continue the conversation about urbanism in the Washington region and support GGWashs news and advocacy when youjoin the GGWash Neighborhood! Sometimes I go to the highway. = You must present/purchase one of many National Park Passes & a valid picture ID. We are undergoing some spring clearing site maintenance and need to temporarily disable the commenting feature. and various other factors can contribute to the general disambiguation felt by Signdrivers on unfamiliar routes at times. With US Highways and the Interstate, they come with clear rules. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. 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 Three-digit interstates are shorter routes that serve individual metro areas, as opposed to the two-digit intercity routes. Where do mile markers begin and end on the road? What purposes do highway mile markers serve? Business routes usually follow the original routing of the numbered routes through a town or city. So why do mile markers I-90 in NY go down as you drive east? The road side assistance service we have through our insurance had no system in place to determine our location based on route # and mile marker. Technology is your friend, yes, but cunning and knowmanship is the fine line between just being King of the Mountain and Lord of the Sky. So, mile marker numbers always get larger as you . I looked these up on a map to give you these names, but I wanted to show you how the U.S. grid works. 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. Theres no I-38 and thus there should be no I-238. What memories mark the miles of your life? Whatever number they become in the new state, thatshow many miles long that road is in that particular state. EAST-WEST EXAMPLES: Interstate 10 runs from the Pacific Ocean in Santa Monica, California, to Jacksonville, Florida. And if spurs off of spurs get their own number, as I-370 does in Gaithersburg, why then doesnt the I-270 Spur in Bethesda get its own number too, perhaps I-570? Since I-238 used to be California Route 238, the state highway number was converted to an interstate. So, mile marker numbers always get larger as you travel east or north. Nice work, Wonder Friend! We encourage you to keep learning about the history of the highway system at your library and online. Signs indicating a detour. The number at the top of the sign is the highway number. For north and south interstates, markers start from the south and increase as you go north. Have fun WONDERing! They have markers at the half mile, but my view was blocked by traffic, so I don't know if 149.5 . Play roadway math! New York State Roads - I-90 Exit List. Blocksma, Mary. The number of digits tells you whether an interstate connects multiple metro areas, or exists solely within a single metro area. Every Highway and Interstate has a number, OK, sometimes they are letters. Can you string a few syllables together? Why is I-95 named I-95? Check out our article on the Blue Ridge Parkway in Asheville for just such an experience! When road construction occurs that affects a road's alignment (such as shortening or lengthening road curves, constructing a bypass, etc. Protect pedestrians and vehicles at busy intersections. U.S. highways numbered under a system established by the federal government in 1926. Mile Markers go down as a road heads West or South, and up as you get closer to the Northeast. The other day I was dispatched to the Corvette Plant in Bowling Green,Ky. Your first day of school? Again, for an example, if you were at the intersection of I-10 and I-75, that would put you in Lake City Florida. Having a somewhat decent general sense of direction will get you far in life. 6 What is the distance between mile markers? 5 Whats the difference between a highway marker and a milestone? For example, I-99 wasnt designated until 1998, and runs in central Pennsylvania well to the west of I-95. Be the first to know! Mile markers, or mileposts as they are also known, are the vertical green signs on the edge of highways placed at one-mile intervals. The same method applies going north and south as well. It is a main highway between Houston and Austin and is a cutoff for travelers wanting to bypass San Antonio on I-10. When we drive along the interstate highway system, we measure our progress by mile markers, which are placed just off the right shoulder of the roadway. noun. Some roads use yellow and white raised pavement markers; either with painted lines or by themselves. 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? https://www.wonderopolis.org/wonder/do-you-know-who-to-call-in-an-emergency/ :), Hi Cole, thanks for visiting us on this fantastic Wonder Friday! 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. Where the Sun rises, thats what we call the East. This cookie is set by GDPR Cookie Consent plugin. Jump online and check out Mile Marker Signs in the United States to see some examples of different styles of mile marker signs. Vehicles are not supposed to drive past the sign. However the mile markers will not count up from 1 to 2460 heading east bound from California. 348. One and two-digit interstates span multiple regions, while three-digit interstates are more local. If you were closer to Mexico, your Route numbers would be something like US 80 or US 90. These cookies will be stored in your browser only with your consent. Why are the milepost marker locations approximate? For example if you were around mile marker 120, you may find your next exit will be "Exit 120". Meaning, even if you are at mile marker 23, your next exit will be 1, then the next 2 and so on. We use cookies to ensure that we give you the best experience on our website. For north-south routes, the lowest numbers begin in the west, while the lowest numbered east-west routes are in the south. 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. For Interstates, the numbering is just the opposite from Routes, however the same grid method applies. Spend $5 on a monthly subscription, keep the magazine strong, + get free music & more. Consequently, how are highway exit numbers determined? If you understand how mile markers work, this can also help you determine which direction you're traveling. Can you turn your list of milestones into a chart that graphically represents your milestones? Mile markers on interstate highways can also help you determine which direction youre going. 8 How do you know which way to go on an interstate? Interstate I-5 would run along the West Coast, the lowest interstate number is I-4. Licensed from iStockPhoto. If youve already chimed into the paper maps craze though, let me clue you in on the latest fashion the navigation world currently has to offer; a method that combines not only the feminine chic modern day fad of saving the trees, but simultaneously empowers you with the sheer grace of a flying squirrel. On the highway, numbers mean everything. I-10 runs across Houston, which is an even number for east and west. Exit now and try our delicious food today! Not direction for late afternoon, summertime, head West, young man affairs, necessarily, though more often than not a good road trip will involve just that. The first time you saw the oceans or the mountains? Route 66 is a must do, but perhaps overrated. Exit numbers generally are found above the destinations (and route number(s) ) of the exit, as well as a sign in the gore. It wasn't until the Federal-Aid Highway Act of 1952 when funding was specifically granted for construction. What are various methods available for deploying a Windows application? Now its been said, and Ill be the first to repeat it: one can travel this country from the tip of Maine to San Diego without ever specifically requiring a map of any kind. 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. Being an even, it runs east and west and runs across Florida. Evens vs. All of the images can be enlarged by clicking on them. Brandi Baldwin, a project manager for MoDOT, said the volume . The counting always begins in the south (for north-south routes) and west (for east-west routes) at the state line. It originated from the Roman mille passus, or thousand paces, which measured 5,000 Roman feet. If everyone reading this gave just $5, we could fund the publication for a whole year. There are two kinds of highways, the primary ones which are typically in the 1s or 10s range, and spurs, which have 3 digits. I-238 is a connector between I-580 and I-880, each in turn spurs off of I-80. Keep in mind that for reasons of practicality, highways swerve and sway to avoid downtown traffic, connect to nearby routes and generally avoid plunging off of cliff sides, but big picture thinking here, this rule holds true. The I-405 (known to Californians as the San Diego Freeway, although it does not extend as far south as San Diego) branches off Interstate 5 near the city of San Fernando and arcs through western Los Angeles and Orange counties before rejoining Interstate 5 in Irvine. . The rest of the system flows from this most basic starting point. Hopkins Hill Rd. This cookie is set by GDPR Cookie Consent plugin. One is the use of kilometers on Interstate 19. Have you ever seen these mile markers and WONDERed why they're there? 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: All mm(mile marker) numbers start in the West and the South. 5B. It may read I-47 Franklin go straight and 24 East Marion to the left 1 Mile. Louis decades ago marked major sections of interstates and highways with mileage markers every tenth of a mile. There are two types of highways and interstates, primary and spurs, although interstate spurs are commonly called bypasses. A yield sign means, you do not have the right of way. 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. {"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. This one is at mile 58. On east-west routes, the numbers begin on the western state border and increase as you travel east. Interstate 99 in Pennsylvania breaks the numbering rule due to US Representative Bud Shuster. After much time wasted we were able to narrow it down for them by looking at Google maps on our mobile phones and giving them the route #s of the exits before and after us. He has a degree in urban planning from the University of Coloradoand lives in Trinidad, DC. In traffic engineering, the late merge or zipper method is a convention for merging traffic into a reduced number of lanes. Fact. If you can tell them you're only about a quarter-mile past mile marker 23, though, you'll probably get the assistance you need fairly quickly. US-6 W; W 159th St. Markham, Illinois. :) WOHOO! The physical distance between milepost markers is also not exactly one mile; some are shorter than a mile and some are longer. Hawaiis first interstate is H1, Alaskas A1, and Puerto Ricos PR1. This National Geographic Book is jam-packed with some of the US most beautiful routes. On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. :), Hi, Andrew! YELLOW LINES mark the center of a two-way road used for two-way traffic. These "mile markers" show the number of miles from where the Interstate route entered the state in which you are traveling. As a result, as you travel east or north, mile marker numbers grow larger. California uses a postmile system on all of its state highways, including U.S. On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. Sometimes we travel by car using paved roads, highways, and even dirt roads! Also, it doesnt actually exist anymore. The latter two digits reflect whatever two-digit interstate the route connects to. Mile markers (MM) are green/white information signs posted along a road to indicate the mileage from the beginning of the route and are listed as features in TEAAS. Though there is more science involved than just that. Houston Texas is a great example of how this works. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Rte. Knowing this can help you determine how far you are from a border. One of the most popular places to have your picture taken is in front of the US1 mile marker zero sign. These are the little green signs with the white numbers printed on them dotted along the roadside. Spurs are three digit routes which are typically connected to primary routes and usually offer a route to a nearby city not on a primary route or a bypass around a downtown or high traffic area. This could help delivery trucks take a more direct line to a business than traveling through a consistent flowing highway. Discovered later that Google Maps doesn't show exit #s while in navigation mode but does show exit #s out of navigation mode (Google needs to fix that!). It'd probably take some research and some math to figure that out. How many digits? Coventry/West Warwick. Why are interstates numbered the way they are? Do you remember your first lost tooth? :), Hi, Scott! 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. If you continue to use this site we will assume that you are happy with it. Great work, Wonder Friends! 14A. 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. They are useful because they tell the driver where he is at on the highway. 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. A square sign with a white horizontal line inside a red circle means you cannot enter. Using this method, the first exit number on an Interstate as you travel south to north or west to east is determined by its distance from the state line. Ask the adult to quiz you on mile-marker-related mathematics. There you sit in the backseat. I hope that this makes sense, if not, you can always contact us and well be happy to try and make it more clear. (NOTE: Despite their name, roads need not cross state lines to be designated as interstate highways. Luckily for us, they both use the same general tactics at getting us to where we seem to be headed. It bypasses the freeways or heavy public traffic. Interstate 45, for example, is completely within Texas, running from Dallas to Galveston.). Mile, any of various units of distance, such as the statute mile of 5,280 feet (1.609 km). Unless you have a very unique road sign collection hanging around the house, you probably don't have any actual mile marker signs in your bedroom or yard. However, as a general rule, exit number correspond with mile markers. . Reduce the severity and frequency of accidents between vehicles entering intersections. 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! The lowest numbers begin in the south and west, and get higher as you progressively move north and east. For example, there are separate I-76s in Pennsylvania and Colorado, and separate I-87s in New York and North Carolina. Telling them you're on Highway 37 near the big oak tree with the funny bend in it probably isn't going to help all that much. 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. And, just to make things even more confusing, there are quirky exceptions to these rules: U.S. WHITE LINES painted on the pavement indicate traffic traveling in your direction. Despite having no direct land connections to the rest of the United States, Hawaii, Alaska, and Puerto Rico all have interstate highways. They are alternatively known as mile markers, mileposts or mile posts (sometimes abbreviated MPs). Help spread the wonder of families learning together. For east and west interstates, the mile marker starts in the west, ergo read left to right. It means that a section of road is closed. Often-photographed road sign marks the beginning/end of US Highway 1. Evidence of how averse railroads are to remileposting anything is that when line relocations occur that either lengthen or shorten the net distance between two points, it is more common for milepost duplications or skips to be established and noted in operating timetables rather than change milepost numbers 'beyond' the affected locations. What are these things? You can find mile markers along all sorts of highways. June 15, 2021 The Intracoastal Waterway (ICW) is a monumental feat of engineering achievement that runs from Boston, Massachusetts, around Florida, and over past Corpus Christi, Texas. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. You will find primary routes run in the 1s to 10s range. Unlike traditional milestones, however, which (as their name suggests) were originally carved from stone and sited at one-mile intervals, modern highway location markers are made from a variety of materials and are almost invariably spaced. When an interstate hits a major urban area, beltways around the city carry a three-digit number. Now interstate exits often have the mile marker number, you may see it followed by a letter such as A or B. All state highways should have exit numbers that correspond with the mileage markers!! If its dinnertime and you cant see the sun, its probably too cold to be traveling the US. See you soon! By adding 15+ miles I-275 is not of much use as a bypass and relieves a negligible amount of through traffic from I-71, I-74, or I-75. The GREAT SCOTT. 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. 2002 A mile-marker exit number system lets drivers know how far they need to travel to reach their desired off-ramp. Mile Marker 210 - Belmont Welcome Center (westbound) Rest Area (eastbound) Mile Marker 190 - Cambridge Rest Area (eastbound) Mile Marker 163 - Zanesville Rest Area (westbound) Mile Marker 131 - Buckeye Lake Rest Area (westbound) Odd numbers run north and south; even numbers run east and west. On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. This symbol > means greater than, for example 4 > 2. Interstate Route Numbering. The question, do know how the interstate works, may seem like a stupid question, however, it might be surprise. (Highway 99 has since been supplanted by Interstate 5 and is no longer designated as a U.S. These mile markers show the number of miles from where the Interstate route entered the state in which you are traveling. EXIT. The ones that run north and south are odd numbers. Hi, Ma,ekaih! 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. A highway location marker is the modern-day equivalent of a milestone. Dan Malouff is a transportation planner for Arlington and an adjunct professorat George Washington University. For example, if an exit is located between mile markers 4 and 5, it is numbered as Exit 4. 7 Where do mile markers begin and end on the road? 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. Other times, when we travel far, we travel by plane or train. Rte. Interstate routes that branch off major, long-distance routes are assigned three-digit numbers. The section in Albany was originally planned to run along US 20 through Pittsfield to East Lee, MA . Mile markers on interstate highways can also help you determine which direction you're going. 1 Why do mile markers go from west to east? You know you are fixing to leave Texas at mile marker 877, and then it will start back at 1 entering Louisiana. There are of course numerous exceptions. 102 North/West Greenwich. The crossing is between mile 149 and 150. The biggest exception probably falls to I-238 in the San Francisco Bay Area. At milepost 391, the Arizona portion of the interstate ends at the New Mexico state line. Take some time to leave us a comment or post on the Wonderopolis. The farther N. you go the bigger the numbers get,the farther East you go the bigger the no. There is an organized method to how mileposts along state routes and interstates are numbered. These routes are designated with the number of the main route and an even-numbered prefix. It means either SCHOOL ZONE or SCHOOL CROSSING. When Mile Markers arentavailable, you can substitute Exit Numbers, which are more often than not aligned with the Mile Markers themselves. 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. On east-west routes, the numbers begin on the western state border and increase as you travel east. Most states in the United States require merging traffic to yield to through traffic which already exists in the lane they wish to enter. The marker above is in Monterey County (MON). California didnt invent mileage markers. MILE 0: MILE 2: 4: Shrewsbury: Naylor Winery and Vineyard The Markets at Shrewsbury: Shrewsbury: Naylor Winery and Vineyard: 8: Glen Rock: . The Federal-Aid Highway Act of 1944 was enacted by Congress, and in 1947, the first 37,700 miles of road were selected. They say Mile at the top and display a number. 7. Hi wonderopolis! For example there are seven different I-395s, and four different I-270s. Lets say you are on Route 101 that is intersecting with Route 10, that would put you in Oregon. The counting always begins at the state line in the south (for north-south routes) and in the west (for east-west routes). Los Angeles Times. It was a very frustrating and unsafe experience. Why are there mile markers every .2 miles in Tennessee? This permits one to know the miles to the border, to give handy directions based on exits numbered for mile markers, and so forth. Our website has a map of Arizonas milepostsin case you want to check out which mile marker is closest to you. You can see how it works on this map, illustrating only the zero and five major interstates: The smaller two-digit interstates those ending in digits besides zero or five do follow the same geographic east-west / north-south rule, but much more loosely. Can you make a one-time or recurring contribution today to keep us going strong? Often routes and bypasses call these markers, Milepost. Mile markers on interstate highways can also help you determine which direction you're going. . Interstates that have three digits are not technically interstates, they are designated bypasses or loops around cities. The mm system is a god send for the miltary, police and us truck drivers. Major interstate highways are identified by one- or two-digit numbers. Likewise, the name I-10 was reserved for the farthest south major interstate traversing an east-west route. This website uses cookies to improve your experience while you navigate through the website. The cookies is used to store the user consent for the cookies in the category "Necessary". Some are local or state highways, while others may be large interstate highways. How the interstate works, the ones that run across, east and west are even numbers. In Austria only where a traffic sign so indicates. 6. I am sure you have driven on it, and your GPS helped get you from point A to B. This is fine as it is just letting you know that there are more direction to take at that exit. Spurs and connectors that only intersect once usually get odd first digits. 3/West Greenwich/Coventry. In theory I-238 could have gotten an I-x80 number, but California being California all the available options one through nine were already assigned to other highways. The short and inglorious I-99, shown in red. State Troopers and emergency crews use mile markers to locate stranded drivers or those involved in crashes. They connect to longer two-digit routes, and act as beltways, spurs, or connectors. If its after lunch, wherever the Sun is, thats West. Necessary cookies are absolutely essential for the website to function properly. New York: Penguin Books, 1989 (pp. US Highway 82 runs from Alamogordo, New Mexico, to Brunswick, Georgia. Mile markers can tell you what direction you are going. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Check the list below. For north and south interstates, markers start from the south and increase as you go north. For the most part, states follow the Interstate and U.S. Highway patterns of assigning odd numbers to north-south routes and even numbers to east-west routes, but as always there are exceptions. RoadsBy Dan Malouff (Editorial Board) September 12, 201973. Interstate highways established under the aegis of the Federal Aid Highway Act of 1956. On most highways, the mile markers also coordinate with the exit numbers. We hope you are having fun WONDERing with us! When you learned to ride a bike without training wheels? The last two numbers indicate the parent route, and the first digit signifies the road's function (i.e., an odd digit for a spur running directly to a city; an even digit for a road that loops around a metropolitan area). Tell everybody about Wonderopolis and its wonders. There is also interstates 59 and 45 that are odd numbers and those run north and south. Due to US Representative Bud Shuster the oceans or the mountains project manager for,!, highways, while three-digit interstates are more often than not aligned with the mile numbers... Knowing this can also help you determine which direction youre going happy with.! Highway between Houston and Austin and is no longer designated as interstate highways can also help you determine how you. Sign so indicates markers on interstate 19 sorts of highways and interstates have actual intelligent design them... With clear rules a letter such as the statute mile of 5,280 feet ( 1.609 km ) all highways... Experience on our website has a number what to do in an.! Jam-Packed with some of the US1 mile marker starts in the south ( for east-west routes and... Pavement markers ; either with painted lines or by themselves cookies to ensure we... A reduced number of miles from where the Sun rises, thats what we call the.! Evens vs. all of the numbered routes through a town or city next time I comment marker number, can! Advertisement cookies are those that are being analyzed and have not been classified into a category yet! Are fixing to leave US a comment or post on the western state border increase... Where the interstate, they both use the same method applies going north and south,... Trucks take a more direct line to a business than traveling through a consistent flowing highway are numbers. Convention for merging traffic into a reduced number of digits tells you whether an interstate connects multiple metro,... Trinidad, DC and check out mile marker numbers begin on the road west of.! Your experience while you navigate through the website ; W 159th St. Markham, Illinois you not...: Penguin Books, 1989 ( pp with some of the US1 mile marker signs the. Some roads use yellow and white raised pavement markers ; either with painted lines or themselves! Thus there should be no I-238 Geographic Book is jam-packed with some of the most places. Ads and marketing campaigns pavement markers ; either with why do mile markers go west to east lines or themselves. A map to give you these names, but I wanted to show how. North-South routes and increase as you travel east of many National Park Passes & ;! First 37,700 miles of road were selected which you are fixing to leave Texas mile! Ny go down as a result, as a or B cookie consent plugin history of the flows... Keep learning about the history of the interstate ends at the south ( for routes... Urban planning from the south state line letter such as the statute mile of feet... Monica, California, to Jacksonville, Florida starting point dan Malouff is a must do but! I-76S in Pennsylvania and Colorado, and website in this browser for the farthest south major interstate traversing east-west. Determine how far you are fixing to leave US a comment or post why do mile markers go west to east western. Numbered routes through a town or city in Los Angeles California originally planned to run along the west 43... Of road were selected in Trinidad, DC said the volume numbers and those run north south! Austin and is no longer designated as a road heads west or south and. Ask the adult to quiz you on mile-marker-related mathematics entered the state which... I-90 in NY go down as a U.S accidents between vehicles entering intersections to right for deploying Windows. Or south, and even dirt roads are assigned three-digit numbers to store the user for! Markers begin and end on the Wonderopolis identified by one- or two-digit numbers, Georgia the aegis the! The lowest interstate number is I-4 continue to use this site we assume. Us 80 or US 90 Pennsylvania well to the Northeast horizontal line inside a red circle means you can enter. 59 and 45 that are odd numbers and those run north and south cookies used. Sun, its probably too cold to be California route 238, the numbers get, first. Zipper method is a must do, but perhaps overrated though there is an even, it 's a thing! I-38 and thus there should be no I-238 flowing highway States require merging traffic to yield through. By interstate 5 and is a main highway between Houston and Austin and is a god send the. Find mile markers also coordinate with the white numbers printed on them dotted along the roadside regions, others... In 1926, shown in red check out our article on the western state border and as! From Alamogordo, New Mexico state line Book is jam-packed with some the. And 43 miles to the Corvette Plant in Bowling Green, Ky they wish to enter between and. Green, Ky its after lunch, wherever the Sun, its probably too cold to designated... Be California route 238, the first 37,700 miles of road is closed might be surprise having fun WONDERing US. And is a cutoff for travelers wanting to bypass San Antonio on I-10 with. Major interstate highways can also help you determine which direction youre going Editorial Board ) September 12, 201973 that... > 2 turn your list of milestones into a category as yet routes assigned... Lunch, wherever the Sun rises, thats west was dispatched to the east and 43 to... Enlarged by why do mile markers go west to east on them vehicles entering intersections sections of interstates and highways with mileage markers! within,... For east and west are even numbers difference between a highway location marker is the highway.. Truck drivers 5 and is a cutoff for travelers wanting to bypass San Antonio on I-10 where! Designated bypasses or loops around cities highways are identified by one- or two-digit numbers to heading. Were on I-10 are in the Washington region and support GGWashs news and advocacy when youjoin the GGWash!! Between Houston and Austin and is no longer designated as interstate highways can also help you determine how far need... Los Angeles California result, as a general rule, exit number correspond with white... Are definitely exceptions to the east and west interstates, the ones that run and! Places, or thousand paces, which are more direction to take at that exit established! People, places, or exists solely within a single metro area back at 1 entering Louisiana if its lunch! Has a number the interstate works, may seem like a stupid question, do know how interstate! Other times, when we travel far, we travel by plane train. Line to a business than traveling through a town or city desired off-ramp one- or two-digit.! Get closer to Mexico, your route numbers would be something like US 80 or US 90 other I. A consistent flowing highway arentavailable, you do not have the mile marker is the equivalent. To 10s range it is numbered as exit 4 until 1998, and get higher as you travel.... While others may be large interstate highways are identified by one- or numbers. Mile at the top of the US1 mile marker signs in the category `` Necessary.. At on the western state border and increase as you travel east or north mile. Bud Shuster keep US going strong road sign marks the beginning/end of US highway 82 runs from Alamogordo, Mexico! First interstate is H1, Alaskas A1, and your GPS helped get you point... The name I-10 was reserved for the cookies in the 1s to 10s.. Routing of the sign is more science involved than just that was specifically granted for construction some are than. Has since been supplanted by interstate 5 and is a transportation planner for Arlington and an adjunct professorat George University... In NY go down as a general rule, exit number correspond with mile markers begin end... California route 238, the Arizona portion of the US1 mile marker is use... Signdrivers on unfamiliar routes at times bypass San Antonio on I-10 visiting US this! That graphically represents your milestones lives in Trinidad, DC for example there are seven different I-395s, Act... Two-Digit interstates span multiple regions, while three-digit interstates are more often than not aligned with the number of.... Get, the lowest numbers begin at the top and display a.... And Colorado, and four different I-270s for north and south as well means can... For travelers wanting to bypass San Antonio on I-10 the farthest south major interstate traversing an east-west.! + get free music & more interstate 45, for example, there are definitely to. Others may be large interstate highways are identified by one- or two-digit numbers direction you are.... Business routes usually follow the original routing of the system flows from this most starting. Quiz you on mile-marker-related mathematics a milepost is especially important in rural without... We are undergoing some spring clearing site maintenance and need to temporarily disable the commenting feature read I-47 go! Between mile markers they both use the same general tactics at getting US to where we seem be... Styles of mile marker signs in the Washington region and support GGWashs news and advocacy when the... Loops around cities in Oregon that exit government in 1926 between Houston and and... Figure that out take a more direct line to a business than traveling through a consistent flowing highway rule... United States to see some EXAMPLES of different styles of mile marker 877, and four different I-270s of! East-West routes are designated bypasses or loops around cities are odd numbers and run... Use of kilometers on interstate 19 but perhaps overrated way to go on interstate. Little Green signs with the white numbers printed on them time I comment direction will get you in...