Authorities Closed Otay Mesa Port of Entry
A bomb squad is investigating a suspicious package at the San Diego border crossing.
Updated on Sept. 30, 2026 in Terrorism

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Officials closed the Otay Mesa Port of Entry to both pedestrians and vehicles following the discovery of a suspicious package. The site is currently being processed by a bomb squad.
Why it matters
The closure disrupts a critical transit point on the U.S.-Mexico border, forcing travelers to reroute and causing significant traffic congestion in the area. Authorities are prioritizing site safety while the investigation remains underway.
A local bomb squad is currently investigating the suspicious item after police issued a public advisory at 9:30 a.m. No specific timeline for the reopening of the port has been released by authorities.
The players
San Diego Police Department
This agency serves as the primary law enforcement body for the city and is responsible for managing public safety advisories and coordination during local incidents.
Otay Mesa Port of Entry
This is a key commercial and passenger border crossing located in San Diego that connects the United States with Mexico.
San Ysidro Port of Entry
This facility is a major land port of entry at the U.S.-Mexico border that serves as the designated alternative route for travelers during the ongoing closure.
The details
The Otay Mesa Port of Entry has been fully shuttered to all traffic while emergency responders secure the scene. San Diego police are directing individuals to use the nearby San Ysidro Port of Entry to cross the border.
Timeline
September 30, 2026: The suspicious package was discovered, triggering the immediate closure of the port.
9:30 a.m.: San Diego police issued a formal advisory for the public to avoid the area.
Legal Context
This closure follows established security protocols similar to the 2003 SARS response protocols regarding site isolation and public containment. These measures are consistent with regional efforts to maintain border safety during potential threat investigations.
Travelers should expect significant delays and are advised to reroute to the San Ysidro Port of Entry for border crossings. Residents in the immediate vicinity should follow all safety directions issued by the San Diego police until the area is cleared.
The takeaway
Travelers should monitor local traffic reports closely as the investigation continues at the border. Always opt for designated alternative routes when security advisories are issued to avoid unnecessary delays.
Further reading
For more information on security incidents, visit the Terrorism section.
Source note: This article includes information reported by ABC 10 News San Diego KGTV.
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