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Park a very conspicuous unmanned police cruiser (high profile roof
lights, white paint job, etc) near dangerous intersections or curves
with an automated radar detector. Whenever a vehicle drives by going
above a preset speed, the roof lights automatically flash to scare the
piss out of the driver
and
slow them down before they enter the
dangerous section of road. Occasionally, a live policeman can sit in
the vehicle and actually pull someone over to throw off the folks who
might otherwise get wise to the ruse.
baked
https://www.google....79&bih=537#imgdii=_
[Klaatu, Jul 25 2013]
Accidentally Deleted
http://www.timeslea...nr=306209735&Ref=AR
sorry [21 Quest, Jul 27 2013]
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Annotation:
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I like the idea but you'd end up causing accidents. |
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Either drivers brake hard on seeing the car and lights, causing them to lose control or have someone run into them; or rubberneckers slow right down in the hope of seeing something interesting and similarly get run in to. |
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Yes to the links. We had a local town that parked a cop car with a cardboard cop in it. Everyone called him (it) Captain Cardboard. It worked for strangers, but not townies. |
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[-] flashing lights = distraction to everybody on the road, not only the speeder. Occasionally I see portable radar detectors on a trailer with a billboard that shows the speed of whatever the radar's target is. Effective. |
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Those billboards are often effective only if their target viewers
have some reason to believe they are backed up by some means
of enforcement. We have one on the road leading into the
Spokane International Airport, and I see people blowing by it
in excess of 15 mph above the speed limit every day. When
there's an unmanned police cruiser parked behind it, it is much
more effective. Every so often, I see someone getting pulled over
by a manned police cruiser. |
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// portable radar detectors on a trailer //
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Those things are invaluable for calibrating
radar detectors. Also, they have some really
nice parts in them; and they leave them by
the side of the road, where anyone with an
angle grinder can help themselves. What
generosity … |
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How about a powerful radar tuned to just below the
resonant frequency of water? Then doppler shift
ought to take out speeders. |
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Inverse-square law; and the fact that drivers
are at least partially screened by the metal
shell of the vehicle.
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Ironically, since the speeders approach and
pass the source faster, their time of
exposure- and therefore dose- is less.
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To raise the temperature of an 80kg human
by 1 degree requires roughly 300kJ. To
deliver that amount of energy at anything
more than a very short distance from the
waveguide requires megawatts of
continuous-wave power from the
magnetron(s). |
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How about arrays of retractable stinger spikes mounted in the road surface? As each car approaches, a strip of spikes emerges about one cars length ahead of the vehicle and (through adjacent strips emerging and retracting) the row of spikes proceeds forward at the speed limit. To assist the driver, a roadside flag or arrow could indicate the location of the currently active set of spikes. |
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The lawyers will be right behind this one ... first time one malfunctions or jams, and shreds the tyres of an innocent non-speeding driver, they'll sue your sorry ass to Hell ... |
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