Ongoing Track Work
UC San Diego Blue Line - Single Tracking
After 9 p.m. starting Sunday May 17, through Wednesday, May 20, 2026
Blue Line trains will operate on a normal schedule Sunday through Wednesday, May 17-20, 2026. The Trolley will be single tracking starting at 9 p.m. each night, between Beyer Blvd. and San Ysidro, to continue building a retaining wall on the side of the tracks.
The Trolley will still operate on a 15-minute schedule. Riders will board as normal on both platforms for all trains. Single-tracking may result in delays to service.
Regular service will resume on Thursday, May 21, 2026.