# Secure Fence Act of 2006 The **Secure Fence Act of 2006**, signed by President [[George W. Bush]], authorized roughly 700 miles of physical fencing along the U.S.–Mexico border, along with expanded vehicle barriers, checkpoints, lighting, and "virtual fence" surveillance technology (cameras, sensors, and unmanned aerial vehicles). It passed with broad bipartisan support — notably, then-Senators Barack Obama, Hillary Clinton, and Joe Biden all voted for it — marking the bipartisan consolidation of "border-as-barrier" politics in the mid-2000s. ## Context The Act emerged from the wreckage of the comprehensive immigration reform effort of 2006–2007. With the grand bargain of legalization-plus-enforcement collapsing under conservative opposition, Congress passed the enforcement-only half — the fence — as a standalone measure that both parties could support heading into the 2006 midterms. The "virtual fence" component (the Secure Border Initiative's SBInet) proved a costly technological failure and was largely cancelled by 2011, but the physical-fencing mandate stood and was steadily built out under subsequent administrations. ## Significance for the knowledge base The Secure Fence Act laid the legal and physical groundwork — and the bipartisan precedent — for the border-wall expansion that became the defining symbol of the Trump movement. When Donald Trump promised "a big, beautiful wall," he was proposing to extend and complete a barrier Congress had already authorized in 2006 with Democratic votes, a point that complicates the partisan framing of the wall as a uniquely Trumpian project. It belongs to the **Enforcement Era** lineage running from the [[Illegal Immigration Reform and Immigrant Responsibility Act of 1996]] through the militarized-border consensus of the 2000s to the present. ## See Also - [[George W. Bush]] — signed the Act - [[Illegal Immigration Reform and Immigrant Responsibility Act of 1996]] — the enforcement-era predecessor - [[Immigration Restrictionism]] — the broader movement - [[US Immigration Timeline]] — chronological context