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Construction Begins on Trolley Tunnel Underpass at La Jolla Colony Drive

Mid-Coast Trolley Work, Extending the Blue Line, Will Continue Through 2021

March 11, 2019-- On Tuesday, March 12, La Jolla Colony Drive will be closed for preparations associated with the construction of a Trolley underpass. This underpass will allow the Trolley to pass under La Jolla Colony Drive as it travels along the eastern side of Interstate 5. The future Trolley underpass will look similar to 70th Street, used by the Trolley Green Line.

Major construction is scheduled to begin on Monday, March 18. Due to the complexities of this construction, work is expected to continue through late 2019.

During construction, La Jolla Colony Drive will provide one lane of northbound and southbound travel. La Jolla Colony Drive is scheduled to be reconfigured on Sunday, March 24. At that time, southbound lanes will be closed, and northbound lanes will be re-striped to allow one lane of travel in each direction.

Occasional full weeknight and weekend closures may be required during construction; advanced notice will be given prior to each closure. During closures, there will be no access to La Jolla Colony Drive from east of the I-5 on- and off-ramps to Rosenda Court. Closures are currently scheduled to take place Tuesday, March 12, through Thursday, March 14, and Monday, March 18, to Thursday, March 21, from 9 p.m. to 5 a.m. each night.

The Mid-Coast Trolley Project will extend Blue Line Trolley service from Old Town north to the University City community, serving major activity centers such as Mission Bay Park, the VA Medical Center, UC San Diego, and University Town Center. Nine new stations will be constructed. Major construction work began in 2016, with service anticipated to begin in late 2021.

To learn more, visit KeepSanDiegoMoving.com/MidCoast.  

Project Manager(s)

For media inquiries, please contact the SANDAG Public Information Office at (619) 699-1950 or pio@sandag.org.