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Last week, the San Diego Association of Governments (SANDAG) reached a construction milestone for the Mid-Coast Extension of the University of California (UC) San Diego Blue Line Trolley, as crews installed the final steel structure for the project.
SANDAG installed the steel structure at the UC San Diego Central Campus Trolley Station, completing a pedestrian stairway that will provide UC San Diego students, staff, and visitors with access to the trolley.
Steel is critical to the trolley structure as well as the stairways and elevators at the station platforms. Since construction for the trolley began in fall 2016, crews have installed approximately 2.5 million pounds of steel. Each of the 14 elevator towers along the project includes between 20,000-35,000 pounds of steel, SANDAG officials said in a press release.
The trolley extension is one of the largest transportation infrastructure projects in the San Diego region’s history.
Meanwhile, SANDAG construction crews earlier this month reached a milestone in repairing the Del Mar Bluffs, part of a multiphased project to ensure the integrity and safety of the nearby Los Angeles-San Diego-San Luis Obispo (LOSSAN) rail corridor.
Crews graded the bluffs; constructed a keyway, or foundation, that strengthened the bluffs; and rebuilt the slope from the ground up.