Trump Administration Pauses, Then Continues, Border Construction in Big Bend National Park

Bulldozers and heavy machinery began operating near the Santa Elena Canyon area of Big Bend National Park in Texas in August 2026, as part of a Trump administration border security infrastructure project sometimes referred to as a “smart wall” expansion. The construction is tied to a multibillion-dollar border infrastructure package previously approved by Congress, which funds work across a roughly 500-mile stretch of the southern border in the Big Bend region. Big Bend is described as Texas's largest and most-visited national park, and the project drew scrutiny from environmental activists monitoring and documenting the construction. Following the start of construction, the Trump administration temporarily paused the project after bipartisan pushback from lawmakers and public concern over its impact on the park. The Associated Press and The Hill both reported the pause was described as brief or temporary, though the exact duration and the specific triggers for resuming or halting work were not detailed in available reporting. CBS News reported that the bulldozers arrived months after Congress approved the underlying infrastructure funding, framing the construction as part of a broader effort affecting one of the least-trafficked stretches of the border. As of the most recent reporting, the current operational status of the Big Bend project—whether construction has fully resumed, remains paused, or has been modified—is not clearly established across sources. It also remains unresolved what specific changes, if any, resulted from the bipartisan pushback, and what long-term plans exist for the Santa Elena Canyon area. Separately, PBS NewsHour reported that the National Park Service issued a report supporting a different, unrelated Trump-proposed structure—an arch in Washington, D.C.—despite acknowledging adverse effects on sightlines between landmarks including the Washington Monument and the Lincoln and Jefferson memorials; this project is distinct from the Big Bend border construction and its current status is also unclear.