LOS ANGELES (CBSLA.com) — Don’t test the luck of the Irish by drinking and driving on St. Patrick’s Day.

The Irish holiday falls on a Friday this year, so several local law enforcement agencies — including Torrance, Montebello, Pasadena, and the Los Angeles County Sheriff’s Department — are planning to beef up their patrols and conduct DUI checkpoints.

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According to the National Highway Traffic Safety Administration, 252 people were killed in drunk driving-related crashes during the St. Patrick’s Day holiday period from 2011 through 2015. More than a quarter of those fatal crashes happened in the early morning, post-party hours from midnight to 5:59 a.m.

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“These needless deaths can be prevented,” police officials said in a statement. “Planning a sober ride home before the party begins is the first step in staying safe on St. Patrick’s Day.”

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Authorities advised partiers to decide in advance whether they will drink or drive, rather than try to do both; commit to staying sober if deciding to drive; use public transportation, and also help anyone else nearby who might be too impaired to drive.