Tuesday, February 10, 2026
Jacobs chosen to manage construction of key rail upgrade along LOSSAN Corridor
The engineering firm will oversee the San Dieguito Lagoon Double Track project, aimed at easing a major rail bottleneck between Solana Beach and Del Mar and improving reliability along Southern California's busiest passenger rail line.
Staff Reports
The engineering and consulting companyJacobs has been selected by the San Diego Association of Governments to manage construction of theSan Dieguito Lagoon Double Track and Special Events Platform project.
The investment will enhance capacity and reliability along the Los Angeles-San Diego-San Luis Obispo (LOSSAN) Corridor -- Southern California's sole rail link andone of the nation's busiest, carrying more than 150 daily passenger trains.
Jacobs will manage delivery of 2.1 miles of track improvements, including a new double track to eliminate a major bottleneck betweenSolanaBeach and Del Mar fairgrounds, designed to ease traffic congestion and improve access during large-scale events.
"This investment strengthens the only rail connection between San Diego and the rest of Southern California," Jacobs executive vice president Eva Wood said in a statement. "With added track and a new platform, we're enabling more reliable service, reducing delays, and supporting a cleaner, more connected future for the region."
Additional upgrades include replacement of the century-old San Dieguito Lagoon bridge to improve climate resiliency, as well as enhancements to turnouts, signals, communications, and drainage systems -- all aimed at boosting operational efficiency.
Ranked No. 2 in transportation byEngineering News-Record, Jacobs moves people, goods and freight - whether by road, rail, sea, underground or even through mountains.
From Grand Central Madison, New York City'sbusiest commuter railroad,to the Elizabeth Line, the most significant addition toLondon's transport networkin a generation, Jacobs delivers innovative, resilient solutions that improve mobility, reduce congestion and enhance safety for generations to come.
Jacobs has approximately $12 billion in annual revenue and a talent force of almost 43,000, providing end-to-end services in advanced manufacturing, cities and places, energy, environmental, life sciences, transportation, and water.