All states should ban cellphone use while driving.

The suggestion from the protection board followed a hearing on a Missouri highway smash into on Aug. 5, 2010, which killed two people and injured 38. The chain-reaction crash of four vehicles included two school buses.

The board ruled that the early collision was caused by a spontaneous driver, Daniel Schatz, 19, who was one of the wounded, sending 11 text messages in the 11 minutes before the hurtle. His pickup rammed the back of a tractor-trailer that had slowed for building on throughway 44 near Gray Summit.

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Schatz's truck was then rear-ended by a school bus, which was rear-ending by another school bus. The buses, which investigators found had brake pedal problems, approved members of the John F. Hodge High School band. A student, Jessica Brinker, 15, who sat in the last row of the first bus, died in the collide.

"Two lives lost in the blink of an eye," said Deborah Hersman, the board chairman. "No call, no text, no informs is value a life."