[sk8ingdom]

Not to mention that equipped with a bike and the coaster [1], you could easily make it between Downtown (either Santa Fe or Old Town), and Sorrento Valley in 40 minutes. Granted, there isn't a super safe way to get to / from the Old Town station.

[1] http://www.gonctd.com/wp-content/uploads/Schedules/Coaster-S...