Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. Border Security Along U.S. Borders Smart Wall Construction CBP is implementing President Trump’s Executive Order 14165, “Securing our Borders,” and Proclamation 10142, “Declaring a National Emergency at the Southern Border of the United States.” CBP is doing this, in part, by using $46.5 billion from the One Big Beautiful Bill Act to build the Smart Wall. The Smart Wall includes a steel bollard wall along with roads, detection technology, cameras, lighting and in some cases waterborne barrier or a secondary wall to create a double-layer barrier. The Smart Wall improves Border Patrol’s ability to detect, identify, and stop illicit activity along U.S. borders. The construction of these barriers, along with agents deployed to the Southwest border’s most dangerous areas, is transforming what it means to have true border security. Since the Border Patrol began building border walls more than 30 years ago, they have proven to be effective for gaining operational control of the border. The right combination of infrastructure, technology, and personnel is key to the Border Patrol’s mission to protect America. That mission is critical to our national security. CBP has learned many lessons since the first barriers were constructed. These were simple, makeshift barriers created from Vietnam-era landing mat. Today’s barriers are steel bollard walls built in single or double layers. Roads and detection technology are built along with them, supporting the agents who patrol these barriers to keep America safe. Waterborne Barriers CBP has begun to place waterborne barriers in the Rio Grande River. These barriers are designed to stop criminal organizations from using our border waterways for illegal activity. They are intended to deter people from illegally and dangerously crossing our nation’s border waterways. Waterborne barriers also help protect the surrounding landscape and natural barriers, like steep cliffsides, by preventing criminals and illegal aliens from reaching them. In the same way, they support the steel bollard wall systems built on land nearby. Waterborne barriers are intended to create a safer border environment for everyone, for patrolling agents as well as river enthusiasts. Big Bend Sector CBP is not planning to construct 30-foot-high, steel bollard barrier in Big Bend National Park, Big Bend Ranch State Park, or the Black Gap Wildlife Management Area. Instead, CBP will use technology like cameras and sensors. In limited areas, it will use low-profile, vehicle barriers. Placed strategically, these will work with natural barriers to further restrict illegal vehicle access in these areas. CBP continues to work closely with the National Park Service (NPS) to ensure that access to the Rio Grande River and hiking trails, such as the Mariscal Trail, remains open at the park during and after construction. Additionally, CBP and the NPS have been identifying cultural, historical, and biological resources in the park that have the potential to be affected by the planned project. We are working together to find ways to avoid or minimize impacts to these resources. Environmental Stewardship CBP remains committed to environmental stewardship, even with the use of the DHS Secretary’s waiver authority. During barrier planning and construction, CBP conducts environmental and cultural resource reviews, requests public feedback, and strives to minimize impacts as effectively as it can while continuing to meet operational needs. Visit the Smart Wall FAQs page Click and zoom on the map to see more information about the Smart Wall

CBP is using the following to define the Smart Wall status: Awarded — Represents contracts that have been awarded, and the project is in the design phase or early construction activities have begun. Under Construction — Represents projects where border wall panels or waterborne barrier is currently being constructed/deployed. Completed — Represents the total mileage that has been completed since 1/20/2025. U.S. - Mexico Border - 1,954 miles Existing Primary Wall (prior to 1/20/2025 that met U.S. Border Patrol operational requirements): ~644 miles Primary Wall & ~75 miles of Secondary Wall * CBP is deploying approximately 538 miles of technology in locations with previously constructed barrier. Approximately 205 miles of detection technology in the Big Bend Sector will be deployed near the vehicle barriers and an additional approximately 167 miles of the U.S./Mexico border without barrier will be covered by other non-wall funded detection technology due to unfavorable terrain or remoteness of location for a total of 372 miles of the border covered by detection technology alone. The mileages above may vary due to rounding and may change slightly until all designs are completed and the alignments are finalized. Project Overview * There are a small number of projects that span multiple states, such as Yuma Sector spanning California and Arizona, and El Paso Sector spanning New Mexico and Texas. Smart Wall Information Frequently Asked Questions Smart Wall Announcements DHS, CBP continue to strengthen border security with five new Smart Wall contracts in Texas and Arizona DHS, CBP award $4.5B in new contracts under OBBB for Smart Wall construction along southwest border DHS issues waiver for border wall in Texas DHS awards contract for 27 miles of new border wall in Arizona; issues waiver to accelerate construction in Texas CBP awards first border wall contract of President Trump’s second term Smart Wall Environmental Planning View Documents Open for Public Comment