This memorial day weekend will see more law enforcement officers on the roads. The California highway patrol is expected to have every available officer on duty, from 6 p.m. Friday to midnight Monday morning. so-called “maximum enforcement periods” are declared when authorities expect an increased risk of D-U-I incidents. In monterey county, additional local law enforcement will be deployed as part of the “avoid the 18” campaign. Checkpoints are expected to be set up at multiple locations around the county, with at least 1 in salinas.