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Major Traffic Improvements to the Balboa Avenue to Morena Boulevard On-Ramps Set to Open Wednesday

September 18, 2018-- Improvements to the Morena Boulevard loop ramp to and from eastbound Balboa Avenue will be opened for use on Wednesday, September 19.  The reconfiguration of the interchange was required to accommodate construction of the future Balboa Avenue Trolley Station parking lot. 

The new loop ramp includes traffic signals at the top of the ramp allowing a left turn onto southbound Morena Boulevard.  The new left turn access to Morena will replace the old ramp from eastbound Balboa Avenue/Garnet Avenue to southbound Morena Boulevard.  The old ramp will close when the new loop ramp opens.

The existing loop ramp from Balboa Avenue to northbound Morena Boulevard will be temporarily closed tonight (Tuesday, September 18) while crews restripe the new loop ramp and prepare it to accommodate both directions of traffic. Traffic controls and detour signs will be in place to direct motorists.

This work is being conducted concurrently with ongoing Mid-Coast Trolley construction on Morena Boulevard and Balboa Avenue/Garnet Avenue. Regular work hours are Mondays through Fridays, 7 a.m. to 5 p.m., with intermittent night work scheduled from 9 p.m. to 5 a.m.

The Mid-Coast Trolley project will extend Blue Line Trolley service 11 miles north from the Old Town Transit Center to the University City community, serving major activity centers such as Mission Bay, the VA Medical Center, UC San Diego, and Westfield University Town Center mall. Mid-Coast Trolley construction began in fall 2016 and service is anticipated to begin in fall 2021.  The current budget is $2.1 billion, which includes financing costs. The project is funded through the TransNet half-cent sales tax and the Federal Transit Administration. 

Project Manager(s)

For media inquiries, please contact the SANDAG Public Information Office at (619) 699-1950 or