A Detailed Map And Guide To The Highways Of Texas

The expansive state of Texas is connected by a vast network of interstate, U.S. and state highways that allows travel between its major cities and scenic destinations. If you’re short on time, here’s a quick answer: There are over 72,000 miles of highway in Texas, including more than 3,000 miles of interstate highways. Major highways include I-10, I-20, I-30, I-35, I-37, I-40, I-45 and key state routes include SH 71, SH 146 and SH 183.

In this comprehensive guide, we will provide a detailed map and overview of the major highway systems across the Lone Star State. We will highlight the most important interstate, U.S. and state routes, discuss key facts and history behind Texas highways, and provide tips, resources and points of interest along some of the most well-traveled Texas highway routes.

Overview and Quick Facts on Texas Highways

When it comes to highways, Texas is renowned for its vast network of roads that span across the state. With a total mileage of over 300,000 miles, Texas boasts one of the most extensive highway systems in the United States.

These highways connect major cities, towns, and regions, facilitating travel and commerce within the state.

Total Mileage and Notable Highway Systems

Texas has an impressive total mileage of over 300,000 miles of highways, making it the state with the longest highway system in the country. The Texas Department of Transportation (TxDOT) oversees the maintenance and development of these highways, ensuring smooth and safe travel for motorists.

One of the most notable highway systems in Texas is the Interstate Highway System, which includes major highways such as I-10, I-35, and I-45. These highways connect Texas with neighboring states and provide crucial transportation routes for both travelers and goods.

Additionally, Texas is home to several U.S. Highways, such as US-90 and US-287, which play a vital role in connecting smaller towns and cities across the state.

History and Development of Texas Roads and Highways

The history of Texas roads and highways dates back to the early 20th century when the need for improved transportation became evident. In the 1920s, the state government initiated the construction of paved roads, which gradually evolved into the highway system we see today.

Over the years, Texas has invested heavily in the development and expansion of its highway infrastructure. This includes the construction of toll roads, bridges, and flyovers to ease congestion and improve traffic flow.

The state’s commitment to maintaining a reliable and efficient highway system has contributed to its economic growth and development.

Major Cities and Regions Connected

The Texas highway system connects major cities and regions, enabling seamless travel throughout the state. Some of the key cities linked by these highways include Houston, Dallas, San Antonio, Austin, and El Paso.

These cities serve as major economic hubs and tourist destinations, attracting millions of visitors each year.

In addition to connecting major cities, Texas highways also provide access to various regions with unique landscapes and attractions. From the Gulf Coast beaches to the rolling hills of the Hill Country and the vast plains of West Texas, the highways offer a gateway to explore the diverse beauty and culture of the Lone Star State.

For more information on Texas highways and road conditions, you can visit the official website of the Texas Department of Transportation (TxDOT).

Maps of Key Texas Highways

Interstate Highways

Interstate highways are an essential part of Texas’s transportation system, connecting major cities and facilitating the movement of goods and people. The state boasts a vast network of interstates, including I-10, I-20, I-35, and I-45, among others.

These highways offer convenient access to various regions of the state, making travel within Texas efficient and time-saving. Whether you’re planning a road trip or commuting to work, having a map of Texas’s interstate highways is crucial for navigating the state’s extensive road network.

U.S. Highways

In addition to interstate highways, Texas is crisscrossed by a network of U.S. highways that connect cities, towns, and rural areas throughout the state. U.S. highways, such as US-90, US-281, and US-59, provide alternate routes and scenic drives for travelers exploring the Lone Star State.

These highways offer a mix of urban and rural landscapes, allowing drivers to experience the diverse beauty of Texas. Whether you’re interested in historical landmarks, natural wonders, or cultural attractions, having a map of Texas’s U.S. highways will guide you to your desired destinations.

Texas State Highway System

The Texas State Highway System consists of a vast network of state highways that serve as important connectors between cities, towns, and rural areas. With over 80,000 miles of state highways, Texas has one of the most extensive state highway systems in the country.

These highways, numbered from 1 to 999, provide access to various regions, including the Gulf Coast, the Hill Country, and the West Texas plains. Whether you’re a local commuter or a traveler exploring the state, having a map of Texas’s state highways is essential for navigating the diverse landscapes and vibrant communities that make up the Lone Star State.

For detailed maps and information on Texas highways, you can visit the official website of the Texas Department of Transportation at www.txdot.gov. The website offers interactive maps, travel guides, and other resources to help you plan your journey and navigate the highways with ease.

Major Interstate Routes in Texas

I-10 through West Texas

Interstate 10, also known as I-10, is one of the major interstate routes in Texas. It stretches from the western border of Texas all the way to the eastern border, connecting cities such as El Paso, San Antonio, and Houston.

The portion of I-10 that runs through West Texas offers breathtaking views of the desert landscape and is a popular route for travelers heading to the Big Bend National Park or the scenic city of Marfa.

With its wide lanes and well-maintained roads, I-10 through West Texas provides a smooth and enjoyable driving experience.

I-20 from Dallas/Fort Worth to the Louisiana Border

If you’re traveling from Dallas/Fort Worth to the Louisiana border, Interstate 20 is the route for you. This major interstate highway runs east-west, connecting cities such as Fort Worth, Abilene, and Tyler.

I-20 offers convenient access to popular attractions like the Six Flags Over Texas amusement park and the Dallas Arboretum and Botanical Garden. With its multiple lanes and modern infrastructure, I-20 provides a comfortable and efficient journey for both locals and tourists alike.

I-30 from Fort Worth through East Texas

Heading east from Fort Worth, Interstate 30 is the main interstate route that takes you through East Texas. This highway passes through cities like Arlington, Dallas, and Texarkana, offering access to attractions like the AT&T Stadium and the Dallas World Aquarium.

I-30 also connects to other major interstates, such as I-35 and I-45, providing convenient travel options for those looking to explore different parts of the state. With its well-maintained roads and numerous rest areas, I-30 ensures a smooth and enjoyable journey for travelers.

I-35 along the Eastern Spine of Texas

Interstate 35, commonly referred to as I-35, is a significant interstate route that runs along the eastern spine of Texas. This highway connects cities like Austin, San Antonio, and Dallas, making it one of the busiest and most traveled routes in the state.

I-35 offers easy access to popular attractions like the Alamo in San Antonio and the State Capitol in Austin. With its multiple lanes and frequent rest stops, I-35 ensures a comfortable and convenient journey for travelers exploring the heart of Texas.

I-37 from Corpus Christi to San Antonio

If you’re traveling between Corpus Christi and San Antonio, Interstate 37 is the route for you. This interstate highway offers a direct connection between these two cities, passing through scenic areas like the coastal plains and the South Texas Brush Country.

I-37 provides access to attractions like the Texas State Aquarium in Corpus Christi and the San Antonio River Walk. With its well-paved roads and beautiful landscapes, I-37 offers a pleasant and picturesque journey for travelers exploring this part of Texas.

I-40 through the Texas Panhandle

Interstate 40, also known as I-40, is a major east-west route that runs through the Texas Panhandle. This highway connects cities like Amarillo, Wichita Falls, and the border town of Texola. I-40 offers access to attractions like the Cadillac Ranch in Amarillo and the Wichita Mountains Wildlife Refuge in Oklahoma.

With its wide lanes and minimal traffic, I-40 provides a smooth and enjoyable driving experience for travelers passing through the Texas Panhandle.

I-45 from Galveston through Houston and Dallas

Interstate 45, commonly known as I-45, is a significant north-south route that connects cities like Galveston, Houston, and Dallas. This highway offers access to popular attractions like the Galveston Island Historic Pleasure Pier and the Houston Museum of Natural Science.

With its multiple lanes and modern infrastructure, I-45 ensures a comfortable and efficient journey for travelers exploring the diverse landscapes of Texas.

These major interstate routes in Texas provide convenient and efficient travel options for both residents and visitors. Whether you’re exploring the vast deserts of West Texas or the bustling cities of Dallas and Houston, these highways offer a well-connected network that allows you to navigate the Lone Star State with ease.

Other Notable Texas Highway Routes

U.S. Route 59

U.S. Route 59 is a major highway that spans from the Gulf Coast of Texas all the way up to the Canadian border. It is known as the “Future Interstate 69” and serves as a crucial transportation route for both commercial and leisure travelers.

The highway passes through several major cities including Houston, Victoria, and Lufkin, offering a convenient route for those traveling across the state.

U.S. Route 77

U.S. Route 77 is another significant highway in Texas, stretching from the Mexican border to the Oklahoma state line. This route takes you through vibrant cities such as Brownsville, Corpus Christi, and Waco.

It is an important corridor for trade and tourism, connecting major metropolitan areas and providing access to various attractions along the way.

U.S. Route 83

U.S. Route 83 is a north-south highway that traverses the western part of Texas, running from the Mexican border to the Oklahoma state line. This scenic route takes you through picturesque landscapes and charming small towns.

It is a popular choice for travelers seeking a more relaxed and scenic drive.

U.S. Route 84

U.S. Route 84 is a highway that spans from the New Mexico state line to the Louisiana state line, passing through Texas along the way. This route offers access to various national parks, including the Guadalupe Mountains National Park and the Sabine National Forest.

It is a great choice for nature enthusiasts looking to explore the diverse landscapes of Texas.

U.S. Route 90

U.S. Route 90 is a historic highway that stretches from the Pacific Ocean in California to Jacksonville, Florida. In Texas, it takes you through major cities such as El Paso, San Antonio, and Houston. This route offers a glimpse into the rich history and culture of Texas, with opportunities to visit iconic landmarks and attractions.

Texas State Highway 71

Texas State Highway 71 is an important east-west highway that connects the cities of Austin and Houston. It is a heavily traveled route, offering convenient access to popular destinations such as the Colorado River, Bastrop State Park, and the city of La Grange.

This highway is a lifeline for commuters and tourists alike.

Texas State Highway 146

Texas State Highway 146 is a coastal highway that runs along the Gulf of Mexico, connecting various beach towns and cities. It is a scenic route that offers stunning views of the ocean and access to popular destinations like Galveston Island.

This highway is a favorite among beachgoers and vacationers.

Texas State Highway 183

Texas State Highway 183 is a major north-south highway that passes through central Texas, connecting cities such as Austin, Fort Worth, and Dallas. It is a key transportation route for both residents and visitors, offering easy access to various attractions, shopping centers, and business districts.

This highway is often bustling with activity, providing a glimpse into the vibrant urban life of Texas.


Texas highways form an incredibly expansive, complex network connecting every corner of the state. This guide provided an overview of the major interstate, U.S. and state highway routes that are the lifeblood of transportation across Texas. With this map and guide detailing key highway systems, routes, facts and points of interest, you now have the knowledge to hit the open Texas roadways and confidently navigate to any destination.

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