NTSB has been trying to limit the use of portable electronic devices in vehicles . Study : The agency is also looking at whether there are any safety issues with using them while driving, and if so what should be done about it. Study : At any given daylight moment , 13.5 million drivers are on hand-held phones . Some 3,092 roadway fatalities last year involved distracted drivers .
NTSB has been trying to limit the use of portable electronic devices in vehicles . The agency is also looking at whether there are any safety issues with using them while driving, and if so what should be done about it. Study : At any given daylight moment , 13.5 million drivers are on hand-held phones . Some 3,092 roadway fatalities last year involved distracted drivers .