In north Wales, snow was the problem causing hazardous driving conditions during the Friday rush hour in Gwynedd, Conwy and Denbighshire.
"Most Americans think that we've solved the problem of impaired driving, but in fact, it's still a national epidemic, " NTSB Chairman Deborah Hersman said.
As the campaigning arm of the motoring organisation, the RAC Foundation believes the problem of drugs and driving has not been highlighted enough.
One problem with test-driving prototypes and mule cars is that rival manufacturers, and the motoring press, can more easily get wind of new models.
Like the Office of National Drug Control Policy (ONDCP), the NTSB has begun to call greater attention to the issue of drugged driving, a problem that still goes unrecognized by many.
WHITEHOUSE: Drunk and Drugged Driving: Not an Acceptable Part of Life
"Formula One engineers - like many engineers - really have a driving spirit about problem solving, " said Katie Maggs, curator of the exhibition, titled Fast Forward: 20 ways F1 is changing our world.
The debate will address the problem of individuals with no driving license being able to purchase car insurance and therefore evade most police techniques such as ANPR cameras which rely upon checking the insurance status of a vehicle.
Several MLAs noted that this was a timely motion coming at the beginning of the festive season when drink driving was a particular problem.
The problem is when excessive rewards start driving excessive risk taking.
Distracted driving has become a growing problem in recent years with the proliferation in mobile technology.
FORBES: NTSB To Drivers: 'Stop Texting And Get Off The Phone'
Researchers reported driving can be a serious problem for teens with ADD and attention deficit hyperactivity disorder.
Google engineers describe automating driving as just another information problem: With enough sensors and detailed digital maps of roads, algorithms should be able to make computer-driven cars safer than human-driven cars.
My answer created a fair amount of controversy because I focused on the possibility that the home environment, rather than the bipolar disorder per se, might be driving at least some of the problem.
You've heard of this problem only in passing, yet it is a driving force in most takeovers and buyouts of profitable companies.
It makes no sense to penalise a rural motorist driving along empty country roads when the problem lies in cities and on congested motorways.
But he foresaw a problem if the economy simply ran out of usable workers, driving up wages at a faster rate.
For economic theories that see final demand as the driving force behind growth, recessions are simply a problem of a lack of consumer spending.
But crashes that occur when vehicles travel at lower driving speeds in American urban neighborhoods are also a major problem, a new report found.
The problem is so deadly that the National Transportation Safety Board (NTSB) has placed substance-impaired driving on its annual Most Wanted List highlighting the most critical changes needed to reduce transportation accidents and save lives.
WHITEHOUSE: Drunk and Drugged Driving: Not an Acceptable Part of Life
If you're driving in a part of town that's been recently developed, that can be a problem.
Driving was an emotional issue for Mark, but with the police involved, it was less of a problem than it had been for the family alone.
FORBES: True Story: The Prominent Dad With Dementia Who Refused to Stop Driving
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