Memorial Day Weekend San Diego DUI Checkpoint at Fifth Avenue and Beech Street trapped over 600 out of 800 motorists  who travelled through this Gaslamp District location 11 p.m. Friday until 3 a.m. Saturday May 22 – 23, 2015 lawyers discovered today.  13 people were evaluated for a DUI, resulting in 6 San Diego drunk driving arrests, attorneys say. Here’s a Google Maps list of the San Diego county DUI checkpoint locations to avoid.  Checkpoints this weekend also include Lemon Grove and Imperial Beach.  Additional drunk driving roadblocks will be added to this San Diego County DUI Law Center checkpoint location finder. 27 motorists were arrested for San Diego DUI between 6 pm Friday and 6 am Saturday by California Highway Patrol and other San Diego county DUI law enforcement police agencies, and no DUI deaths.   Over 300 folks were busted for drunk driving throughout California per the CHP for the same period.