interstate highway numbering map

NUMBER	LENGTH (MI) [2]	LENGTH (KM)	SOUTHERN OR WESTERN TERMINUS
I-2	46.80	75.32	Bus. US 83 in Peñitas, Texas
I-4	132.30	212.92	I-275 in Tampa, Florida
I-5	1381.29	2,222.97	Fed. 1 / Fed. 1D at Mexican border in San ...
I-8	348.25	560.45	Sunset Cliffs Boulevard/Nimitz Boulevard ...

See all 79 rows on en.wikipedia.org

MotorBiscuit.com
https://www.motorbiscuit.com › simple-ma…
This Simple Map of the Interstate Highway …
May 18, 2023 · How are the interstate highways named? The major interstate highways in the U.S.A. carry double-digit numbers and end in a five if they go north-south or a zero if …
People also ask
What is the numbering system for interstate highways?
Interstate highway roads use a numbering system in which central Interstates are assigned one- or two-digit numbers, and shorter routes have given three-digit numbers where the last two numbers match the origin road. The highway system is the arteries of the country.
United States interstate system mapped - Vivid Maps
vividmaps.com
How are highway numbers assigned?
Their numbers are assigned according to rules similar to interstate signs. However, north-south highway numbers get higher from east to west, while east-west highway numbers increase from north to south. Road signs for state, territorial, county, and secondary highways are less uniform.
What Do the Numbers on Interstate Road Signs Mean?
carparts.com
What is a numbered Interstate route?
Interstate Route Numbering Major Interstate routes are designated by one- or two-digit numbers. Routes with odd numbers run north and south, while even numbered run east and west. For north-south routes, the lowest numbers begin in the west, while the lowest numbered east-west routes are in the south.
How are interstate highways numbered? - Geographic FAQ Hub ... - NCE…
ncesc.com
Do highway numbers follow a format?
A lot of people who shared the map said they had no idea highway numbers followed a format. They assumed the government assigned highway numbers randomly. Congress launched the Interstate Highway System back in 1956 and marked its official completion in the early 1990s, though work is always ongoing.
About Interstate Highway Numbers and Why They Matter
infrastripe.com
Which US states have interstate highways?
This map shows the Interstate highways in the contiguous US, color-coded by route number and type. (Alaska, Hawaii, and Puerto Rico also have Interstate highways, but use separate numbering systems.) This map uses publicly available data from OpenStreetMap displayed using Mapbox GL JS.
The US Interstate Highway Numbering System
interstate-map.com
What is a medium Interstate number?
Next up comes interstate mediums, which are suffixed with either an even or odd number. Evens mean that the interstate is east-west, and odds are north-south. Multiple medium interstates can exist with the same number. As the video below points out, I-76 is a highway in Colorado, and it’s also the interstate number of the Pennsylvania Turnpike.
Here’s the Surprising Logic Behind America’s Interstate ... - The Drive
thedrive.com
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Vivid Maps
https://vividmaps.com › united-states-inter…
United States interstate system mapped
Aug 20, 2018 · Interstate highway roads use a numbering system in which central Interstates are assigned one- or two-digit numbers, and shorter routes have given three-digit numbers …
The Drafting Table
https://danbscott.ghost.io › a-minimalist-map-of-the...
A Minimalist Map of the US Interstate System - The …
Jun 14, 2015 · Primary Interstate Highways of the United States are numbered with one- or two-digit designations. Their associated auxiliary highways have three-digit numbers.
Federal Highway Administration
https://www.fhwa.dot.gov › infrastructure › numbers.cfm
From Names to Numbers: The Origins of the U.S. Numbered …
The Dwight D. Eisenhower System of Interstate and Defense Highways may have moved the U.S. highways to secondary importance in many parts of the country, but everywhere, the U.S. …
Interstate Signways
https://www.interstatesignways.com › post › can-i-get...
Can I Get Your Number? - A Guide to the U.S. Highway …
Feb 25, 2025 · Unlock the secrets of highway numbers with our comprehensive guide. Learn how highway numbers can help you navigate U.S. roads effortlessly.
RVtravel.com
https://www.rvtravel.com
Highways by the numbers: What do they really mean?
Mar 9, 2024 · Look at a U.S. highway map and you’ll notice the I-10, I-20, I-40, I-70, I-80, and I-90 east/west routes. These major interstates run the length of the country in ascending order from south to north.
Upworthy
https://www.upworthy.com › how-us-highways-are-named
The way U.S. highways are numbered is surprisingly systematic ...
Jan 28, 2025 · "The Interstate's Forgotten Code" from CGP Grey uses animation to show that the numbering system does indeed have a rhyme and reason, despite there being a few notable …
infrastripe.com
https://infrastripe.com › about-interstate-highway...
About Interstate Highway Numbers and Why They Matter
Jul 27, 2023 · This summary shows the basic logic of the highway numbering system. There’s more to know, like the way spurs and beltways require three-digit numbers, the way exit …
howderfamily.com
https://www.howderfamily.com › blog › interstate...
Interstate Highway Numbers in the United States
Jun 2, 2008 · East-west highways feature even numbers that increase from south to north. Interstate 10 runs from Santa Monica, California to Jacksonville, Florida. Meanwhile, Interstate …
NCESC - Employment Security Commission
https://www.ncesc.com › geographic-faq › how-are...
How are interstate highways numbered? - Geographic FAQ Hub …
Jun 23, 2024 · Routes with odd numbers run north and south, while even numbered run east and west. For north-south routes, the lowest numbers begin in the west, while the lowest …
HowStuffWorks
https://auto.howstuffworks.com › numbers-on-interstate-signs.htm
What's the Secret Behind the Numbers on the Interstate Signs?
Numbering for east-west highways starts in the south and moves north, so I-10 anchors the bottom border (Santa Monica, California, to Jacksonville, Florida), and I-90 is near the …
Vivid Maps
https://vividmaps.com › evolution-interstate-highway-system
The Evolution of the U.S. Interstate Highway System: A ... - Vivid …
Jul 3, 2018 · Explore how America's Interstate Highway System transformed from a bold vision in 1956 to today's vast network of 49,055 miles. See historic maps and visualizations of the …
CarParts.com
https://www.carparts.com › blog › what-do-the-numbers...
What Do the Numbers on Interstate Road Signs Mean?
Feb 21, 2025 · Interstate road signs display the highway’s assigned number, which helps drivers navigate across state lines without getting lost. However, these numbers aren’t just randomly …
womenssuite.com
https://magazine.womenssuite.com › interstate-route...
Interstate Route Numbering Explained - Women's Suite
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. * The lowest numbers begin in the …
openstreetmap.org
https://wiki.openstreetmap.org › wiki › Missouri_state_highways
Missouri state highways - OpenStreetMap Wiki
The Missouri state highway system, maintained by the Missouri Department of Transportation (MoDOT), is comprised of interstate highways, U.S. numbered highways, and state routes …
FleetOwner
https://www.fleetowner.com › fleets-explained › ...
How the Interstate System built the trucking industry and America …
Mar 14, 2025 · The vast network of Interstate highways developed in the second half of the 20th century fueled economic growth and created the trucking industry we know today. Here is how …
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United States interstate system mapped - Vivid Maps

What Do the Numbers on Interstate Road Signs Mean?

How are interstate highways numbered? - Geographic FAQ Hub ... - NCE…

About Interstate Highway Numbers and Why They Matter

The US Interstate Highway Numbering System

Here’s the Surprising Logic Behind America’s Interstate ... - The Drive

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