Drunk driving is bad.

With that out of the way, here's where one police department will be setting up a sobriety checkpoint and other departments will be operating "saturation patrols" around the Valley, looking for impaired drivers this weekend:

• Friday, May 23 to Monday, May 26: Phoenix police will have saturation patrols in several areas around the city, from 7 p.m. to 4 a.m.

• Sunday, May 25 and Monday, May 26: On Monday, Mesa police will have an actual sobriety checkpoint from 1 p.m. to 6 p.m. at Redmont Road and Power Drive, just south of Bush Highway. On Sunday, they'll have "saturation patrols" in that same area.

• Friday, May 23 to Monday, May 26: The East Valley DUI Task Force will be in Gilbert on Friday, and in Tempe on Saturday, Sunday, and Monday, from 7 p.m. to 4 a.m.

• Friday, May 23 to Monday, May 26: The West Valley DUI Task Force will be in Peoria from 6 p.m. to 4 a.m. all weekend. Peoria police identified the patrols as being located "around the city."

• Friday, May 23 to Monday, May 26: Salt River police will have DUI patrols around the Walmart on the reservation's border with Scottsdale.

• Friday, May 23, Sunday, May 25, and Monday, May 26: The Maricopa County Sheriff's Office and a couple other agencies will be in Queen Creek on Friday, and around the Salt River on Sunday and Monday.

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• DUI