Key2SafeDriving: Texting And Driving – How Dangerous Is It?

November 21st, 2010

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Unprotected Text

An Investigation To See If Sending Messages On Your Phone While Driving Is A Good Idea


The Key 2 Safe Driving can Save Lives

Cell Phone

If you use a cell phone, chances are you’re aware of “text messaging”—brief messages limited to 160 characters that can be sent or received on all modern mobile phones.

Texting, also known as SMS (for short message service), is on the rise, up from 9.8 billion messages a month in December ’05 to 110.4 billion in December ’08.

Undoubtedly, more than a few of those messages are being sent by people driving cars.

Is texting while driving a dangerous idea and can a device like the Key 2 Safe Driving system help with this problem?

We decided to conduct a test.

Previous academic studies—much more scientific than ours—conducted in vehicle simulators have shown that texting while driving impairs the driver’s abilities.

Texting While Driving How Dangerous Is It?

Trigger Happy: Austin (right) triggers the windshield-mounted light in simulation of a leading car’s brake lights. Brown ignores it.

But as far as we know, no study has been conducted in a real vehicle that is being driven.

Also, we decided to compare the results of texting to the effects of drunk driving, on the same day and under the exact same conditions.

Not surprisingly, Car and Driver doesn’t receive a lot of research grants.

To keep things simple, we would focus solely on the driver’s reaction times to a light mounted on the windshield at eye level, meant to simulate a lead car’s brake lights.

Wary of the potential damage to man and machine, all of the driving would be done in a straight line.

We rented the taxiway of the Oscoda-Wurtsmith Airport in Oscoda, Michigan, adjacent to an 11,800-foot runway that used to be home to a squadron of B-52 bombers.

Key 2 Safe Driving

Text Friendly Phones

Given the prevalence of the BlackBerry, the iPhone, and other text-friendly mobile phones, the test subjects would have devices with full “qwerty” keypads and would be using text-messaging phones familiar to them.

Web intern Jordan Brown, 22, armed with an iPhone, would represent the younger crowd.

The older demographic would be covered by head honcho Eddie Alterman, 37 (or 259 in dog years), using a Samsung Alias.

(Alterman also uses a BlackBerry for e-mail. We didn’t use it in the test.)

HONDA PILOT for Key2SafeDriving

Our long-term Honda Pilot served as the test vehicle.

When the red light on the windshield lit up, the driver was to hit the brakes.

Racelogic for Key2SafeDriving Test

The author, riding shotgun, would use a hand-held switch to trigger the red light and monitor the driver’s results.

A Racelogic VBOX III data logger combined and recorded the test data from three areas:

  1. vehicle speed via the VBOX’s GPS antenna;
  2. brake-pedal position and steering angle via the Pilot’s OBD II port;
  3. and the red light’s on/off status through an analog input.

Each trial would have the driver respond five times to the light, and the slowest reaction time (the amount of time between the activation of the light and the driver hitting the brakes) was dropped.

First, we tested both drivers’ reaction times at 35 mph and 70 mph to get baseline readings.


Then we repeated the driving procedure while they read a text message aloud (a series of Caddyshack quotes).

This was followed by a trial with the drivers typing the same message they had just received.

Both of our lab rats were instructed to use their phones exactly as they would on a public road, which, if Jordan’s mom or Eddie’s wife are reading this, they never do.

Our test subjects then got out of the vehicle and concentrated on getting slightly intoxicated.

Smirnoff for Key2SafeDriving Test

They wanted something that would work quickly: screwdrivers (vodka and orange juice).

Between the two of them, they knocked back all but three ounces of a fifth of Smirnoff.

Soon they were laughing at all our jokes, asking for cigarettes, and telling us about some previous time they got drunk that was totally awesome.

We had them blow into a Lifeloc FC10 breath-alcohol analyzer until they reached the legal driving limit of 0.08 percent blood-alcohol content.

We then put them behind the wheel and ran the light-and-brake test without any texting distraction.

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Key2SafeDriving: No Texting While Driving

November 21st, 2010

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Texting and Driving… How Dangerous Is It?

The Key 2 Safe Driving May Change The Results

Unprotected Text:

We investigate if sending messages on your phone while driving is more LOL than OMFG.

Texting While Driving: How Dangerous Is It?

The results, though not surprising, were eye-opening.

Intern Brown’s baseline reaction time at 35 mph of 0.45 second worsened to 0.57 while reading a text, improved to 0.52 while writing a text, and returned almost to the baseline while impaired by alcohol, at 0.46. At 70 mph, his baseline reaction was 0.39 second, while the reading (0.50), texting (0.48), and drinking (0.50) numbers were similar.

But the averages don’t tell the whole story.

Your Reaction Time

Looking at Jordan’s slowest reaction time at 35 mph, he traveled an extra 21 feet (more than a car length) before hitting the brakes while reading and went 16 feet longer while texting.

At 70 mph, a vehicle travels 103 feet every second, and Brown’s worst reaction time while reading at that speed put him about 30 feet (31 while typing) farther down the road versus 15 feet while drunk.

Alterman fared much, much worse.

While reading a text and driving at 35 mph, his average baseline reaction time of 0.57 second nearly tripled, to 1.44 seconds.

While texting, his response time was 1.36 seconds.

These figures correspond to an extra 45 and 41 feet, respectively, before hitting the brakes.

His reaction time after drinking averaged 0.64 second and, by comparison, added only seven feet.

The results at 70 mph were similar: Alterman’s response time while reading a text was 0.35 second longer than his base performance of 0.56 second, and writing a text added 0.68 second to his reaction time.

But his intoxicated number increased only 0.04 second over the base score, to a total of 0.60 second.

As with the younger driver, Alterman’s slowest reaction times were a grim scenario.

He went more than four seconds before looking up while reading a text message at 35 mph and over three and a half seconds while texting at 70 mph.

Even in the best of his bad reaction times while reading or texting, Alterman traveled an extra 90 feet past his baseline performance; in the worst case, he went 319 feet farther down the road.

Moreover, his two-hands-on-the-phone technique resulted in some serious lane drifting.


The prognosis doesn’t improve when you look at the limitations of our test.

We were using a straight road without any traffic, road signals, or pedestrians, and we were only looking at reaction times.

Even though our young driver fared better than the balding Alterman, Brown’s method of holding the phone up above the dashboard and typing with one hand would make it difficult to do anything except hit the brakes.

And if anything in the periphery required a response, well, both drivers would probably be screwed.

Drunk Driving

Also, don’t take the intoxicated results to be acceptable just because they’re an improvement over the texting numbers.

They only look better because the texting results are so horrendously bad.

The buzzed Jordan had to be told twice which lane to drive in, and in the real world, that mistake could mean a head-on crash.

And we remind again that we only measured response to a light—the reduction in motor skills and cognitive power associated with impaired driving weren’t really exposed here.

Both socially and legally, drunk driving is completely unacceptable.

Texting, on the other hand, is still in its formative period with respect to laws and opinion.

A few jurisdictions have passed ordinances against texting while driving.

But even if sweeping legislation were passed to outlaw any typing behind the wheel, it would still be difficult to enforce the law.

The Key 2 Safe Driving 4 Life

In our test, neither subject had any idea that using his phone would slow down his reaction time so much.

Like most folks, they think they’re pretty good drivers.

Our results prove otherwise, at both city and highway speeds.

The key element to driving safely is keeping your eyes and your mind on the road.

Text messaging distracts any driver from that primary task.

So the next time you’re tempted to text, tweet, e-mail, or otherwise type while driving, either ignore the urge or pull over.

We don’t want you rear-ending us.

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Key 2 Safe Driving: Do Not Text and Drive

November 21st, 2010

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Texting While Driving:

Are You Becoming a Statistic?

Texting While Driving

Current statistics show that 81% of the population has admitted to texting while driving.

50% of teenagers admit that they do it.

Last year, 29% of accidents were caused by drivers between the ages of 18 and 29 sending and receiving text messages while driving.

Many drivers admit that they are aware of the risks of this driving distraction but continue to do it anyways.

Due to the face that text messaging slows a driver’s reaction time by 30%, texting while driving is being shown to cause greater impairment than being on drugs or drinking while driving.

Accidents caused by texting and driving that result in fatalities are currently half of those caused by drunk driving.

Key2SafeDriving - Safe Driving Systems Activator

Key2SafeDriving has developed a new solution for drivers with cell phones that reads and automatically responds to text messages without the driver ever touching the phone.

This device is a must have for any smart, safe driver that doesn’t want to become the next statistic.

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Key2SafeDriving: No Texting and Driving

November 20th, 2010

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Clearing Up Some Myths About Texting and Driving

Seriously, Texting Doesn’t Distract Drivers THAT Much, Does It?

There have been studies over recent years that show frightening similarities between texting while driving and driving while being under the influence of alcohol. However, here are some of the findings from some studies:

  1. - Driving while using a cell phone reduces the amount of brain activity associated with driving by 37 percent…(Carnegie Mellon)
  2. - Nearly 6,000 people died in 2008 in crashes involving a distracted driver and more than half a million were injured…(NHTSA)
  3. - The younger, inexperienced drivers under 20 years old have the highest proportion of distraction-related fatal crashes…
  4. - Drivers who use hand-held devices are four times as likely to get into crashes serious enough to injure themselves…(Insurance Institute for Highway Safety)
  5. - Cell phone use while driving, whether hand-held or hands-free, delays a driver’s reactions as much as having a blood alcohol concentration at the legal limit of .08 percent…(University of Utah)

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