(NEWSER) – Two parents in Austin, Texas, exercised great judgment in realizing that neither one of them was sober enough to drive home. But then the great judgment fell off a cliff, say police. The couple, out drinking Saturday night with their two kids in tow, gave the keys to the family truck to their 13-year-old daughter, reports KXAN-TV.

She started driving them and a younger sibling home, and police soon started getting calls about an erratic driver. They finally pulled her over on I-35 going 30mph under the speed limit of 70. She might have hit a guard rail.

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