Detailed text transcripts for TV channel - KGO - 20141022:09:34:00
Here's abc's david kerley. >> reporter: this driver is nodding , drifting out of his l rear-ending another car. it can happen in just two seconds. the national transportation safety board says we need to wake up to drowsy driving dangers. >> do aericnder how tir arethey behind th >> humans are just horribly inaccurate. if we have to self-diagnose fatigue, we're usually way off. >> reporter: 40% of drivers fatigue, we're usually way off. >> reporter: 40% of drivers admit falling asleep at the one nigan cntio reaction time, decision mak by 20% to 50%. all that adds up to one of the most underrep...
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