The California Highway Patrol is on the lookout for drivers flouting the state law requiring hands-free devices for anyone talking on a cell phone while driving.

On Wednesday, CHP officers across the Bay Area will wage a zero-tolerance campaign against anyone still driving with a cell phone held up to their ear. Local police and sheriffs’ departments will help spot violators.

California’s hands-free law took effect July 1, 2008. Since then, anyone operating a motor vehicle cannot use a cell phone without a hands-free device such as a Bluetooth headset.

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