Ready for summer? Ready to party? Be ready to have your ass busted if you drink and drive.

The LAPD, the sheriff's department and Pasadena police are rolling out the troops this holiday weekend, hoping that you won't be dumb enough to be a DUI motorist. We're counting 7 checkpoints and two patrol operations starting Friday. Here's what we know:

On Friday night there will be checkpoints at the following locations:

-Somewhere in the Malibu-Lost Hills area from 7:30 p.m. to 3:30 a.m.

-Somewhere in Pasadena from 7 p.m. to 3 a.m.

-Figueroa and 9th streets near Staples Center.

See also: Should Mr. Checkpoint Be Tweeting DUI Stops?

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-Ventura Boulevard and Columbus Avenue in Sherman Oaks.

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On Saturday night the following checkpoints are planned:

-Sherman Way and Independence Avenue in Winnetka.

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-San Pedro and Main streets in South Los Angeles.

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-Highland and De Longpre avenues in Hollywood.

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The LAPD didn't specify times for these mapped checkpoints, above, but they usually go from about 8 p.m. to 2 or 3 a.m.

But wait, there's more:

The department says it will be conducting “saturation patrols” — putting extra cops on the streets to hunt from drunk drivers — on Sunday in the department's Foothill Division area and

Credit: LAPD

Credit: LAPD

… in its 77th Division area in South Los Angeles.

Credit: LAPD

Credit: LAPD

Those often happen during daytime hours but are also conducted at night, so beware.

Don't start summer in jail.

[@dennisjromero / / @LAWeeklyNews]

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