It's been a while since I've been cited for a traffic
infraction (*frantically searches for
wood to knock on). In September 2011 I was pulled over for speeding through
a school zone near my residence. In my absolute defense, the school itself had
been closed for three years, and unbeknownst to me, that day was the first day
classes had resumed at that building.
While it's more contextual and less excusal, I took the
ticket to court and settled for a diminished punishment. It was the first time
I had received points on my license since before I was 20. Most of the tickets
in my life have come from the city's policy of alternate parking on my street.
However, when I saw that Monday's meh.com deal was a
well-rated Cobra radar detector for just $18, well, my buying impulse couldn't
be restrained, just like my breakfast sandwich needs back in September 2011. Thing
is, I don't even speed (5 mph over the speed limit, maximum). Heck, I barely
drive (city life and working from home does that you.) However, all I'm doing
is expressing my right to buy and use a radar detector, something many people
can't do. And trying to stay one step ahead of the cops is as old as speed enforcement
itself; excuse me if I try not to be a rolling dollar sign.
Radar detectors are illegal to own or operate in many
countries: Australia (except one province), most of Canada, Netherlands,
Brazil, France, Germany, just to name a few. They're also illegal in Virginia
and Washington D.C. However, they are legal in the rest of the U.S., U.K.,
Russia and Mexico. In Israel, cell service providers integrate radar detection
into their smartphones. This just shows the divide over how to legislate these
devices that supposedly enable motorists to practice unsafe driving.
But it's truly impossible to restrict citizens from owning a
radar detector. First, radar detectors are surprisingly
cheap and simple for a knowledgeable individual (such as you, or perhaps frankd20). Second,
there is an endless amount of detector detecting.
That's why some police detectors feature radar detector detectors, and to
counter this, driver-oriented devices sometimes feature detector detector
detectors, or metal-enclosures to prevent detectors from picking up stray EM
signals.
As things have become interconnected, it can be virtually
impossible for the police to surprise motorists with a speed trap. For example,
radar detector manufacturer Escort has models that upload police locations to a
database via Bluetooth-tethered smartphones.
Other Escort users in the vicinity receive updates about speed traps, even before their detector goes off. Of course there are already pricey apps available, but they don't
have the active sensing.
Lastly, consider the safety effects of radar detectors. It's
assumed that detectors enable speeding, therefore unsafe drivers. According to
a NHTSA
survey (.pdf), drivers with radar detectors are twice as likely to be stopped
for a traffic violation, yet the survey doesn't report on safety. In fact the
only government study on the issue is from 1988
(.pdf); it found that "it remains to be demonstrated that detector usage
influences speed in the absence of a detectable radar signal." The study also
found that drivers with radar detectors slowed down considerably when in the
presence of a detected signal, and that was a larger threat than the speeding.
Lastly, it concluded that the study was a waste of money and that's probably why there aren't more
studies on this issue.
Besides, if the police are actually determined to catch you
speeding, they'll use LIDAR. Detectors will often alert drivers to the presence
of a LIDAR gun, but won't perceive the signal until the LIDAR has already
determined your speed. Sure you can jam the LIDAR, but that's an FCC violation,
much worse than a simple speeding ticket.
Until autonomous cars promise a homogenous flow of traffic,
there will always be a device war between radar guns and radar detectors. You don't have to pick a side, but you might
be stuck in the slow lane.
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