They're reminding trick-or-treaters to stay on sidewalks when possible and only cross the street at the corners, try to limit trick-or-treating to daylight hours and wear reflective material if you do go out at night.
Drivers are reminded to be cautious when driving through neighborhoods.
"Do not engage in driving under the influence, driving drunk. If you do so, be prepared to face the consequences," Suffolk County Executive Steve Bellone said.
The police department is also enhancing patrols to prevent vandals and warning people to be on the lookout for drunk drivers.
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