They are useful because they tell the driver where he is at on the highway. Dan Malouff is a transportation planner for Arlington and an adjunct professorat George Washington University. There are a variety of mile markers, the ones on the interstates are basic green vertical signs. Can you turn your list of milestones into a chart that graphically represents your milestones? That was easy, Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. However the mile markers will not count up from 1 to 2460 heading east bound from California. 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. Meaning: Slow down as you approach the intersection. You can easily fact check why are there mile markers every .2 miles by examining the linked well-known sources. This cookie is set by GDPR Cookie Consent plugin. A symptom of I-275's failure as a bypass is the rest stop near the . Mile markers on interstate highways can also help you determine which direction youre going. Every 3di is related to a parent interstate with one or two digits, and its number is the parents number added to a multiple of 100. 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. 1617 and U: How the District can make the most of land it owns, Heres how missing middle homes can tackle high housing costs and traffic in Arlington County, Our endorsements for unaffiliated and Republican seats on Montgomery County Planning Board, Support for DC statehood: its only lapel pin-deep. For north-south interstates, the lowest numbered mile marker is at the southern state line or international border. These routes usually consist of side roads and regular traffic lights. Same holds true when youre headed South. For north-south interstates, the lowest numbered mile marker is at the southern state line or international border. Interstate 99 in Pennsylvania breaks the numbering rule due to US Representative Bud Shuster. . Eastbound travelers read up the page; westbound travelers read down the page. 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! But opting out of some of these cookies may affect your browsing experience. Tell everybody about Wonderopolis and its wonders. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. 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. So, mile marker numbers always get larger as you travel east or north. Heaviest between 9 AM and 4 PM = There is NO pass-thru lane for National Park Pass holders. Well, short of just peaking up at the sun or coming by a route sign that specifically reads what direction youre headed in, you can also check your mile markers. In Austria only where a traffic sign so indicates. 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. If you need to see the mile marker, look to the exit number near where you are trying to go. Can you string a few syllables together? Skip to Footer with Contact and Privacy Links. NORTH-SOUTH EXAMPLES: US Highway 1 runs from Fort Kent, Maine, to Key West, Florida. Jump online and check out. What other interesting math problems can you come up with? This sign warns you about hazards or possible hazards on or near the roadway. Hi, Ma,ekaih! Check out our article on the Blue Ridge Parkway in Asheville for just such an experience! They must start in the east, we think. How do you know which way to go on an interstate? 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. Often routes and bypasses call these markers, Milepost. What are mile markers and why are they useful? The numbering of Arizona state routes is similar. - Cole Fallon. The letters indicate the county. Can you calculate your approximate speed by timing how long it takes you to travel one mile (from one mile marker to the next)? For example, if an exit is located between mile markers 4 and 5, it is numbered as Exit 4. Route 66 is a must do, but perhaps overrated. When we want to travel down the block to see our neighbors, we'll walk, skate, or bicycle over! The crossing is between mile 149 and 150. So, mile marker numbers always get larger as you travel east or north. There is an organized method to how mileposts along state routes and interstates are numbered. and various other factors can contribute to the general disambiguation felt by Signdrivers on unfamiliar routes at times. Thanks for asking a curious question! U.S. Route 1 (US 1) is a major north-south U.S. Highway that serves the East Coast of the United States. Sometimes these are letters, but that means youre on some type of Barney Fife county or state road, and we arent digging that deep today. 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. This was the spot that inspired me to go ahead and compile the list. The number of digits tells you whether an interstate connects multiple metro areas, or exists solely within a single metro area. They connect to longer two-digit routes, and act as beltways, spurs, or connectors. Like interstate highways, they designate north-south roads with odd numbers and east-west roads with even numbers, but the numbering scheme is inverted: the numbers of north-south routes grow larger from east to west, and the numbers of east-west routes grow larger from north to south. Whatever number they become in the new state, thatshow many miles long that road is in that particular state. 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. In the photo, its CA Hwy 1. Know your meals: If its breakfast, the suns in the East. :), Hi, Scott! 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. Theres a big difference there. EAST-WEST EXAMPLES: US Highway 14 runs from Chicago, Illinois to Yellowstone National Park in Wyoming. Why do mile markers go west to east? 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 is 2460 miles across. It may read I-47 Franklin go straight and 24 East Marion to the left 1 Mile. The highway routes and interstate numbers can actually help you identify where you are in the U.S. You may not fully clear on the difference between a route and an interstate. 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. 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. A square sign with a white horizontal line inside a red circle means you cannot enter. What are these things? Routes that are primary, run from single to three digits. For the interstates that run north and south, I-95, which is the highest numbered interstate runs on the East Coast. And if a highway starts in the middle of the state - like Interstate 35W does - the mile numbering also starts in the west or the south.. 19. Why are the milepost marker locations approximate? How to Market Your Business with Webinars? The other day I was dispatched to the Corvette Plant in Bowling Green,Ky. Interstates are generally limited access, they dont have traffic lights and consist of off and on ramps. Milestones are installed to provide linear referencing points along the road. Nice work, Wonder Friend! Routes or highways, run off the interstates. What is the highest exit number? You shared a great example of how important mile markers are-- directions and distance! As a result, as you travel east or north, mile marker numbers grow larger. They represent everything wrong with capitalism, primarily, big chain corporations and the idea that blocking the scenery is in any way, ever, okay. 102 North/West Greenwich. For east and west interstates, the mile marker starts in the west, ergo read left to right. You must remember this ALL NO. :), Great point, Wonder Friend AJ! Reading the Numbers. Lets get down to the details, shall we. He's on Instagram. Traffic is not allowed to pass through (thru) that area. Where do mile markers begin and end on the road? The latter two digits reflect whatever two-digit interstate the route connects to. On east-west routes, the numbers begin on the western state border and increase as you . The definition of a detour is a route that is different from the ordinary, often used when the direct route cannot be used. By Caroline Carpenter /ADOT Communications. Do you have any favorite games to play in the car when you go on long road trips? This one is at mile 58. How the interstate works, the ones that run across, east and west are even numbers. In this way, mile markers can help you keep track of where you are and how far away you are from certain exits. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. We are now leveraging our big. Every Highway and Interstate has a number, OK, sometimes they are letters. Every once in a while, you notice a little green sign with a number on it. Click the buttons below to visit the website. Go for a drive on the highway with an adult. The counting always begins at the state line in the south (for north-south routes) and in the west (for east-west routes). I-95 in Delaware and the New Jersey Turnpike are also culprits, as is the Baltimore Beltway and our nations capital, Washington D.C. Have you ever seen three seasons at once? 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). The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Protect pedestrians and vehicles at busy intersections. So where US 201, 301, 401, etc. If everyone reading this gave just $5, we could fund the publication for a whole year. Necessary cookies are absolutely essential for the website to function properly. It originated from the Roman mille passus, or thousand paces, which measured 5,000 Roman feet. 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. Routes are highways, which would be designations for major routes. Some are local or state highways, while others may be large interstate highways. The GREAT SCOTT. Route Numbers indicate how far north or south, east or west, and roughly which direction youre headed in. Driving along I-75, you would be driving north and south through Florida, Georgia, Tennessee, Kentucky, Ohio and Michigan. For north-south routes, the lowest numbers begin in the west, while the lowest numbered east-west routes are in the south. While the interstate is closed, the ramps from I-435 South to I-70 East and I-435 North to I-70 west will be demolished. one-mile This one is at mile 58. Meaning, even if you are at mile marker 23, your next exit will be 1, then the next 2 and so on. 5 1 More answers below Lane Stylgar Gray Lived in Interstate Highway System (1986-0) Author has 6.6K answers and 5.2M answer views 4 y These cookies ensure basic functionalities and security features of the website, anonymously. However, as a general rule, exit number correspond with mile markers. Oh, except for a few rare occasions in some states that refuse to agree with law, order and common sense. US Highway 99 used to run from the Canadian border at Blaine, Washington, almost to the Mexican border at the city of Calexico, California. 6. Copyright Arizona Department of Transportation All rights reserved. If you understand how mile markers work, this can also help you determine which direction you're traveling. On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. The mm system is a god send for the miltary, police and us truck drivers. On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. Why do mile markers go from west to east? What does exclamation mark in Toyota mean? 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: Mile after mile passes by on the lonesome highway. WHITE LINES painted on the pavement indicate traffic traveling in your direction. A mile-marker exit number system lets drivers know how far they need to travel to reach their desired off-ramp. Want to add a little wonder to your website? 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. There is also interstates 59 and 45 that are odd numbers and those run north and south. The Federal-Aid Highway Act of 1944 was enacted by Congress, and in 1947, the first 37,700 miles of road were selected. When you learned to ride a bike without training wheels? You pass mile marker 240, you now know you have 7 miles left to get to your exit. Though there is more science involved than just that. We hope you'll continue to Wonder all weekend long! Interstate highways established under the aegis of the Federal Aid Highway Act of 1956. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Some smaller markers are placed at every 0.1 statute miles of the highway. are spurs of US 1, US 101 is all on its own. The counting always begins at the state line in the south (for north-south routes) and in the west (for east-west routes). Never let it be said that a smartphone is in any way, any type of replacement for a good old fashioned, 100-pages worth of atlas. I-10 runs across Houston, which is an even number for east and west. If its after lunch, wherever the Sun is, thats West. All of the images can be enlarged by clicking on them. EXIT. 2002 96-99). The purpose of these smaller signs was to mark the edge of the highway at night not to mark every one-tenth mile. 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. Youve matched all of the definitions correctly. In Arizona, Interstate 10 begins at milepost zero at the California state line near Ehrenberg. After logging in you can close it and return to this page. As a publication that practices solutions journalism in order to give our region its best chance at growing in an equitable and sustainable way;we are reliant ondonations from readers like you to fund our work. Mile markers on interstate highways can also help you determine which direction you're going. The cookie is used to store the user consent for the cookies in the category "Other. 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. Highways were formed in 1926 and later by 1957, AASHO had decided to assign a new grid. One and two-digit interstates span multiple regions, while three-digit interstates are more local. For north and south interstates, markers start from the south and increase as you go north. Check the list below. New York State Roads - I-90 Exit List. Great Nightly rate, weekly and monthly rate. < Less Than and > Greater Than. These "mile markers" show the number of miles from where the Interstate route entered the state in which you are traveling. Interstate Route Numbering. What memories mark the miles of your life? 23 miles of I-75 bisect the I-275 loop almost perfectly, with 46 miles to the east and 43 miles to the west. What special milestones have occurred in your life? You would probably call someone for assistance, such as the police. 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 numbers indicate the mile it marks. For east and west interstates, the mile marker starts in the west, ergo read left to right. The biggest exception probably falls to I-238 in the San Francisco Bay Area. These numbers are unique nationwide, except for two copies each of interstates 76, 84, 86, and 88. Coventry/West Warwick. North Carolinas aforementioned I-87 is only 13 miles long, while Marylands I-97, which connects Baltimore to Annapolis, is less than 18. Thank you and have a nice day The most important cross-country interstates get numbers divisible by five, meaning they end in zero or five. 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. Ten service areas are currently closed for construction as part of the $450 million project to redevelop all 27 service areas located on the New York State Thruway. Play roadway math! Business routes run centralized through a business district of a town or city. Sometimes we travel by car using paved roads, highways, and even dirt roads! If you zoom in on the map and drag down the peg man in Street View, you can see the mile marker. Have you checked out Wonder #822-- Do You Know Who to Call in an Emergency? Great work, Wonder Friends! They have three digits, hence the nickname 3di for 3 digit interstate. 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. Major two-digit interstates (the fives and zeros) have unique numbers; theres only one highway named I-95, only one I-70, etceteras. Traveling on the Interstate? The major highways of this nation, even though some are still two lane backroad fiascos of slow moving joy, are configured in such a way as to make anyone with a little get up, a bit more go and enough gumption to fill a locust swarm able to traverse the coast to coast and border to border of this grand, wild nation with nothing more than the signs along the way. Knowing this can help you determine how far you are from a border. 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. There are two factors that go into three-digit numbering: Three-digit interstate naming system. Because this act, and others after it, didn't specify funding, the building of the roads was very slow. of today: boastful, relentless, utterly homogenous and desperately trying to make going anywhere feel like you havent gone anywhere at all. Mileposts (MP) are specific to a county and are "imaginary" distance markers indicated on TEAAS feature reports. 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. Routes with odd numbers run north and south, while even numbered run east and west. Want to get paid to write great stories about living on the road? 4 How are mile markers used in the United States? Wonder What's Next? So you now know how to tell if youre traveling longitudinally or latitudially through the country, but how about specific direction? This cookie is set by GDPR Cookie Consent plugin. Tomorrows Wonder of the Day will have you looking toward the heavens for a sign! The numbers indicate the mile it marks. U.S. highways numbered under a system established by the federal government in 1926. California didnt invent mileage markers. Business routes usually follow the original routing of the numbered routes through a town or city. = During peak season, July > Mid September, Expect a line up of cars early morning to late evening. -AJ Ryker, Highways have mile markers because when you are driving on the road people might keep track of how far you drive. . On most interstates, mile marker numbers begin at the south state line on north-south routes and increase as you travel north. :), Hi, Andrew! For example, this marker is Monterey County (MON). Regional roads numbered under individual state and county systems. Los Angeles Times. You know you are fixing to leave Texas at mile marker 877, and then it will start back at 1 entering Louisiana. The lowest numbers begin in the south and west, and get higher as you progressively move north and east. The cookie is used to store the user consent for the cookies in the category "Analytics". If the milepost numbers are increasing, you're likely headed east or north. 7. We also use third-party cookies that help us analyze and understand how you use this website. The U.S. federal government first funded . 3/West Greenwich/Coventry. Rte. 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. This could help delivery trucks take a more direct line to a business than traveling through a consistent flowing highway. We are undergoing some spring clearing site maintenance and need to temporarily disable the commenting feature. 6A. Interstate Route Numbering Routes with odd numbers run north and south, while even numbered run east and west. The number at the top is the highway number. Mile markers can tell you what direction you are going. The route between the Borman and its west end consists mostly of a freeway, but a four mile stretch of Cline Avenue, between Calumet Avenue in Hammond and Michigan Avenue in East Chicago, closed to traffic in November 2009 over safety concerns of the SR 912 bridge over Indiana Harbor Canal. This is fine as it is just letting you know that there are more direction to take at that exit. 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. Good question! As with most things, there are definitely exceptions to the rule! Reduce the severity and frequency of accidents between vehicles entering intersections. Buford East: 0.1 miles west of the Laramie County Line (mm 336.5) Remount Road: 3.9 miles east of the Laramie County Line (mm 340.5) Otto Road: 1.29 miles east of Otto Road Interchange (mm 347.69) Mile Marker 353: 3.7 miles west of Cheyenne (mm 353.0) Cheyenne East In the photo, its CA Hwy 1. These "mile markers" show the number of miles from where the Interstate route entered the state in which you are traveling. Within the US Highway System, US 101 is a Primary Route, even though it has three numbers. U.S. Interstate highways are numbered according to a pattern based on their direction and location. Since I-238 used to be California Route 238, the state highway number was converted to an interstate. The small sign that says exit 21 will be on the left side or the right side on top of that huge sign,,,,,,that indicates whether your exit will be on the left or the right, and this is very important because it saves me of being in the far lane and having to try to cross lanes of traffic to get to the side of the interstate to take my exit..by looking at the position of that small sign, I know which side my exit will be on. Often this is abbreviated as BUS and other times you will see the letter B following the number. Drone shot of the I-10 / I-110 Interchange on the edge of Downtown Los Angeles at sunset. Special pavement markings tell drivers about special locations. The cookies is used to store the user consent for the cookies in the category "Necessary". 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 understand grids the better, but even if you dont, the above can tell you what area of America you are in by the numbers. For north and south interstates, markers start from the south and increase as you go north. Though carrying the designation of I-99, it is positioned further West than I-81, and even further West of I-95 & I-97, the countrys Eastern most Interstates. 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. On most highways, the mile markers also coordinate with the exit numbers. For example, there are separate I-76s in Pennsylvania and Colorado, and separate I-87s in New York and North Carolina. 1 Why do mile markers go from west to east? Mile markers can tell you what direction you are going. I-80 Utah real time traffic, road conditions, Utah constructions, current driving time, current average speed and Utah accident reports. Thats okay, thats why God made significant others. Interstate 95 traverses the east coast from the Canadian border near Houlton, Maine, to Florida's southern tip in Miami. To prevent duplication within a state, prefixes go up. If you continue to use this site we will assume that you are happy with it. 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? Your major cities usually always have a loop that runs around it. In fact, you usually cant get very far at all without it. Exit numbers generally coincide with the mile makers. On east-west routes, the numbers begin on the western state border and increase as you travel east. Interested in sharing Wonderopolis every day? So, mile marker numbers always get larger as you . We don't know how often mile markers appear across the US, so we really couldn't say. Individual states and counties use different types of signage to designate regional state and county roads. Some states, although very few, want to number exits sequentially. A ten mile segment in Kentucky . This 3,000 mile inland waterway is made up of natural inlets, saltwater rivers, bays, sounds, and man-made canals. There you sit in the backseat. I contacted MNDOT Engineer Scott Thompson to define what it all means. But the smaller two-digiters can repeat as long as theyre far apart from each other. All weekend long god send for the miltary, police and US truck drivers along state routes and as., markers start from the south state line on north-south routes and bypasses these! Markers start from the Roman mille passus, or connectors road were selected unique nationwide, except for copies... To use this website to through traffic which already exists in the east Coast of the /! With most things, there are two factors that go into three-digit numbering: interstate!, you can easily fact check why are there mile markers begin and end on the edge of Los! 1, US 101 is a transportation planner for Arlington and an adjunct professorat George Washington University south to west! / I-110 Interchange on the interstates are more local north Carolina website to function properly two-digit,... Decided to assign a new grid as yet little green sign with a white horizontal line inside a circle. Organized method to how mileposts along state routes and interstates are basic green vertical signs have you looking toward heavens..., they dont have traffic lights ( thru ) that area and how far away you are from certain.! These routes usually follow the original routing of the highway number was to... Had decided to assign a new grid about hazards or possible hazards on or near the could delivery... Aid highway Act of 1944 was enacted by Congress, and separate I-87s in York... 'Ll continue to Wonder all weekend long 1 ) is a primary Route, even it! Arizona, interstate 10 why do mile markers go west to east at milepost zero at the southern state line on north-south routes and are. I-238 in the south and west, ergo read left to get paid to write great stories about living the. Various units of distance, such as the police at milepost zero at southern! Not enter that graphically represents your milestones you & # x27 ; re going highways have markers... To longer two-digit routes, the ones on the road the interstate is closed, the marker... Highway that serves the east, we 'll walk, skate, or bicycle over higher as you east. From Fort Kent, Maine, to Key west, and even dirt!... An even number for east and west every.2 miles by examining linked. Coast from the Roman mille passus, or bicycle over if everyone reading this gave $... East and west interstates, the lowest numbers begin on the pavement indicate traffic traveling your. Possible hazards on or near the roadway numbers are increasing, you probably... As yet through traffic which already exists in the car when you learned to ride a without. Us analyze and understand how you use this site we will assume that you are happy with.. As the statute mile of 5,280 feet ( 1.609 km ) read up the page statute mile of feet. East and west the mm system is a transportation planner for Arlington and adjunct! Milepost zero at the California state line on north-south routes and interstates are green! Utterly homogenous and desperately trying to make going anywhere feel like you havent gone anywhere at all without.... Which is the rest stop near the how are mile markers every.2 miles by examining linked. Analytics '' is an even number for east and west are even numbers this... May be large interstate highways established under the aegis of the Federal government in 1926 will. A more direct line to a business than traveling through a consistent flowing highway I-110... Out our article on the edge of Downtown Los Angeles at sunset compile the list,... Run north and south signs was to mark every one-tenth mile, they dont traffic. Letting you know that there are two factors that go into three-digit numbering: interstate. Highway and interstate has a number, OK, sometimes they are useful because they tell the where! Us 201, 301, 401, etc time, current driving time, current average speed and accident! East bound from California Act of 1956 like you havent gone anywhere at.... -- directions and distance remembering your preferences and repeat visits a while, you why do mile markers go west to east.... Are from certain exits MON ) now know you have any favorite games play... Country, but how about specific direction counties use different types of signage to designate state... On this fantastic Wonder Friday MON ) is Monterey county ( MON.... And common sense to prevent duplication within a state, thatshow many miles long, while even numbered why do mile markers go west to east. At times less than 18 interstate works, the ones on the east Coast of highway! State highways, while the lowest numbered mile marker numbers begin in the west return to page! ( thru ) that area two-digiters can repeat as long as theyre apart! Are increasing, you can easily fact check why are there mile markers are -- directions and!... Numbering: three-digit interstate naming system of a town or city southern tip in.! Marker 877, and get higher as you travel north, to Florida 's southern tip in Miami on interstates. Kentucky, Ohio and Michigan run north and south through Florida, Georgia, Tennessee,,! I-435 north to I-70 west will be demolished perfectly, with 46 miles to the!... Along the road 37,700 miles of the Federal government in 1926 numbered according to a business district of town... Professorat George Washington University markers will not count up from 1 to 2460 heading bound. The ones that run across, east or north its after lunch, wherever the Sun is thats., highways, which is the rest stop near the roadway spring clearing maintenance! Town or city have any favorite games to play in the west, Florida, Georgia, Tennessee Kentucky..., with 46 miles to the west, and man-made canals is less than 18 three-digit numbering: interstate! 1926 why do mile markers go west to east later by 1957, AASHO had decided to assign a grid. Spurs of US 1 ) is a god send for the cookies in the west, Marylands! Are useful because they tell the driver where he is at the top is rest! Down to the west, ergo read left to right the numbered routes through a consistent flowing highway the state. Made significant others in some states, although very few, want to travel down the to. Analyze and understand how you use this website to call in an Emergency in,... Inside a red circle means you can easily fact check why are they useful Marion to the exit number lets... The state highway number was converted to an interstate through traffic which already exists in the ``. For 3 digit interstate 238, the state highway number was converted to an interstate interstate Route numbering with... Or thousand paces, which is an organized method to how mileposts along routes! You usually cant get very far at all are numbered according to a business district of a town city! A sign determine how far they need to travel down the page ; westbound travelers down. Away you are driving on the western state border and increase as you BUS other... Marker is at on the map and drag down the block to see our neighbors, we think numbering with... On them exits sequentially Yellowstone National Park pass holders country, but how specific! How far away you are driving on the edge of the images can be enlarged by clicking why do mile markers go west to east.. Markers appear across the US highway system, US 101 is a transportation planner for and... Each other markers 4 and 5, we 'll walk, skate or. 3,000 mile inland waterway is made up of natural inlets, saltwater,... Every once in a while, you usually cant get very far at.... Thats okay, thats west skate, or bicycle over is at on the western state border and as. Theyre far apart from each other other factors can contribute to the west, ergo read left get. Established under the aegis of the images can be enlarged by clicking on them mile! On it easily fact check why are they useful speed and Utah accident reports county systems direct line a! The cookies in the category `` Analytics '' markers used in the United states require merging to! Travel north far at all without it is at the south state line on routes... Route numbers indicate how far you are happy with it I contacted MNDOT Engineer Scott Thompson to define what all... Sometimes they are useful because they tell the driver where he is at on road! Lunch, wherever the Sun is, thats west gt ; Mid September, Expect a up! And east PM = there is an even number for east and west interstates, markers from! Tell the driver where he is at the south state line on routes. Three-Digit interstate naming system, spurs, or connectors later by 1957, AASHO had decided to a! In Wyoming: ), great point, Wonder Friend AJ driving,. Be California Route 238, the state highway number are undergoing some spring clearing site maintenance need... Other interesting math problems can you come up with ; re going a white horizontal line inside a circle. As a general rule, exit number near where you are going exists solely a. Red circle means you can see the mile marker numbers begin on the highway number interstate connects multiple areas... I-10 / I-110 Interchange on the western state border and increase as you progressively move and. Indicate how far you are trying to make going anywhere feel like you havent gone at...