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ultrasound assisted unison driving

use parking sensors to avoid holding up everyone at the light
  (+2, -5)
(+2, -5)
  [vote for,
against]

parking sensors measure distance to the car in front of you as you stand in the traffic light. as the car in front of you starts moving, the parking sensor causes your car to start moving immediately, keeping 2-second's worth of distance for safety.

if all cars had this, the whole row would start moving at the same time, and 50% more cars will be able to pass through.

the sensors on your car are good for ~6.5m which translate to 12.5 kmh maximum speed with 2-sec safety distance.

supershnitzel, Apr 14 2009

Cruise Control http://en.wikipedia...tive_cruise_control
You can get this on your new S-Class. [DIYMatt, Apr 14 2009]

My solution Ground_20Traffic_20Control_20Computers
Shameless Self-Promotion [21 Quest, Apr 14 2009]

[link]






       People would still be held up if the driver at the front hesitates ...
Aristotle, Apr 14 2009
  

       If there was a 2 second delay between each one, they wouldn't all start moving at the same time, it would take forever. Also when does this system cut off? At a certain speed?   

       And finally, BAKED. Adaptive cruise control. See link.
DIYMatt, Apr 14 2009
  

       ok, lets have a little talk about our friend whiplash. Lets say you're sitting at a light. Your foot is firmly on the brake pedal, right? Because if it isn't you are risking a nasty one/two punch to your neck if somebody rear ends you, even slowly, and you smack into the car in front of you. It's really bad. So (-) for taking the brakes away from a driver (ever) and (-) for taking the drivers foot off the brakes (if that was how it was going to work). In fact (-) for encouraging passive driving over active driving.
WcW, Apr 14 2009
  

       I tend to agree with WcW on this one. What's needed is a loud siren to blare nasty invectives at any driver who hesitates for more than a second before driving, and then take a picture of the offender's license plates and issue a mail-in ticket for obstructing traffic. I get so sick of being held up at traffic lights by lovey-dovey teenagers thinking every stoplight is an opportunity for a make-out session. I say ticket the fuckers. If there's a valid mechanical reason for them not moving, then my Ground Traffic Control Computers would communicate with their vehicle's onboard computer and verify that, in which case assistance would be immediately summoned. [-] for taking away the brakes, and risking accidents caused by inattentive drivers suddenly being jerked forward.
21 Quest, Apr 14 2009
  

       I'm sorry you don't have someone to make out with, [21Quest].
normzone, Apr 17 2009
  

       Dude, I have a smokin' hot fiance that I do a lot more with than making out. I also have enough self-esteem and am secure enough in the knowledge that she'll still be willing when we get where we're going (however long that may be) that I don't have to desperately try to get some at every stop light along the way.
21 Quest, Apr 17 2009
  

       Glad to hear it, [21Quest]. I have refined my making out at stoplights technique to include periodic one-eyed glances at the light, and being cursed with superhero-level hearing I can tell what's going on around us, so I won't hold you up, but I fully endorse stop light lovin'.
normzone, Apr 17 2009
  

       whoa there, whoa.
WcW, Apr 17 2009
  
      
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