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PITTSBURGH (KDKA) — Lyft is partnering with Budweiser to offer free round-trip rides to combat drunk driving.

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The campaign launches Thursday and runs through the end of the year.

The rides are available in nine states, including Pennsylvania.

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It works by allowing users to obtain a $20 credit that can be used between 5 p.m. and 5 a.m. Thursday, Friday or Saturday.

To take advantage of a weekly free ride home, residents in Pennsylvania, over the age of 21, can visit Budweiser’s Facebook and Instagram channels on Thursdays at 2 p.m. to obtain a $20 ride credit (two $10 one-way rides) through the Lyft app.

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Find Budweiser’s Facebook page here and Instagram page here.