Served as NTSB chairman since 2009.
Thousands of dead batteries and flat tires come with the winter weather.
When the clocks leap forward, drowsy drivers hit the road Monday morning.
Police hunt for Honda SUV driver who fled after hitting two cyclists, critically injuring one of them.
CDC finds fresh way to dramatize the toll taken by distracted driving.
Atlanta saw the biggest bump in 4th quarter sales of electric cars.
Post readers had lots of questions about the $2.6 Billion tunnel being built under the District.
The fund that states count on to repair and build roadways will run low by August.
Warmer weather in 2012 may have caused a bump in the number of fatal crashes.
Primary goal is to protect construction workers, but drivers are at risk while negotiating work zones.