Dozens of people were arrested on suspicion of driving under the influence of drugs or alcohol over the course of a week by law enforcement agencies in San Mateo County's Avoid the 23.
The 56 arrests took place between Aug. 15 and Friday, with one injury reported from a DUI crash, Avoid the 13 officials announced Friday.
This year's numbers are lower compared to 67 arrests made during the same time period in 2013.
The arrests are part of a DUI campaign that continues through Labor Day and includes DUI/Driver's License checkpoints, roving patrols and task force operation with other counties.
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