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This port experiences much higher traffic volumes than it was originally designed to accommodate. Furthermore, the port’s facilities are significantly undersized and require upgrading to meet the U.S. Customs and Border Protection’s current mission requirements. The modernization and expansion project will improve efficiencies and traffic flows, reduce wait times, increase CBP’s processing capacity and operational security by effectively deploying the latest technology to identify high risk activity and shipments and combat drug trafficking.
The project includes site development and infrastructure, expanding northbound privately owned vehicle lanes from eight to 16, primary and preprimary vehicle inspection canopies, and secondary vehicle processing area. Southbound privately owned vehicle improvements include expanded southbound facilities with fixed inspection infrastructure for CBP’s mission, primary and secondary inspection and processing building, and employee parking. It also includes increased pedestrian inspection lanes from 10 to 14 as well as a new administrative facility to support the CBP mission.
In September 2022, GSA awarded a design-build contract to Hensel Phelps Construction Co. for the modernization and expansion project. With the National Environmental Process Act processes and final design already complete, the project team started construction in May 2023. The GSA project team hosted a groundbreaking ceremony in June 2023, for the first fully electric, net zero energy land port of entry in the United States. Construction is ongoing with a projected competition date of Spring 2029. Currently there are temporary roadway and lane closures in effect through Fall 2025.
Environmental review
GSA conducted an environmental impact statement for the project with input from the public via public meetings and comments. The EIS documents are available for review.
Project timeline
Planning
Design
Construction
Environmental impact statement July 2020
Design-build award September 2022
Start May 2023
Substantial completion Spring 2029
Local updates
Apr. 10, 2024 GSA officials briefed community stakeholders and civic leaders on the port modernization and expansion project. The slides [PDF - 9 MB] are available for review.
Traffic advisory
Two temporary northbound vehicle exits were created to maintain northbound vehicle flow at its current capacity and provide access to Main Street and William Brooks Avenue until Fall 2025. At that time, the new northbound vehicle inspection facility will open with exits at William Brooks Avenue and 2nd Avenue.
We received $3.4 billion to invest in our nation’s infrastructure and competitiveness. The law provides funding for LPOE modernization projects that will create new good-paying jobs, bolster safety and security, and make our economy more resilient to supply chain challenges.
Visit the Arizona LPOE page for an overview of IIJA projects there, as well as priorities, benefits and further information.
Community impact
The San Luis I LPOE is a major regional economic engine for the city of San Luis and Yuma County, supporting its agricultural and retail industries. This project expands and modernizes the entire port, providing state-of-the-art facilities for the CBP operations in San Luis. The project will also improve efficiencies and traffic flows, reduce wait times, increase CBP’s processing capacity and operational security by effectively deploying the latest technology to identify high risk activity and shipments and combat drug trafficking.
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Rates for Alaska, Hawaii, and U.S. territories and possessions are set by the Department of Defense.
Traveler reimbursement is based on the location of the work activities and not the accommodations,
unless lodging is not available at the work activity, then the agency may authorize the rate where
lodging is obtained.
Unless otherwise specified, the per diem locality is defined as "all locations within, or entirely
surrounded by, the corporate limits of the key city, including independent entities located within
those boundaries."
Per diem localities with county definitions shall include"all locations within, or entirely
surrounded by, the corporate limits of the key city as well as the boundaries of the listed counties,
including independent entities located within the boundaries of the key city and the listed counties
(unless otherwise listed separately)."
When a military installation or Government - related facility(whether or not specifically named) is
located partially within more than one city or county boundary, the applicable per diem rate for the
entire installation or facility is the higher of the rates which apply to the cities and / or counties,
even though part(s) of such activities may be located outside the defined per diem locality.
U.S. General Services Administration
