This tractor-trailer killed 10 people in a wreck on Interstate 44 in Oklahoma in 2009. Police said the driver had slept only five hours the previous night.
This tractor-trailer killed 10 people in a wreck on Interstate 44 in Oklahoma in 2009. Police said the driver had slept only five hours the previous night. AP Photo/Oklahoma Highway Patrol
This tractor-trailer killed 10 people in a wreck on Interstate 44 in Oklahoma in 2009. Police said the driver had slept only five hours the previous night. AP Photo/Oklahoma Highway Patrol

Politics & Government

May 23, 2011 6:00 AM

Safety group seeks limits on trucks' size, drivers' hours

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