Imagine this if you will. I was going around a 45 degree banking corner with hills on either side. I was going about 75 in a 50. All of the sudden I get a constant on K band from the front. I immediately slam on my brakes. 1 second later (around the curve) is a cop shooting me coming the opposite direction. I was not pulled over. And this was the cop I sometimes see pulling people over on this road.

Can cops acquire your speed on the return signal around corners? I would assume its a weak signal... thanks for your help!

2. Really depends on the surroundings of the curve. I have tested it and it will clock your speed even if you did not have line of sight. This happens when there are metal rails on the curve. Question is, is it legal? I would say no until LEO has ID'd you. Reflected signals most likely will not stand in court. If there is a vehicle behind you with a good distance, LEO can also make a mistake. Something you also have to remember is approaching a right hand curve which is an advantage of LEO because most of the time, their antenna's are pointed between 11 and 12 o'clock thus clocking your speed much faster compared to approaching a left hand curve.

If there where no other vehicles and he clocked you close to your actual speed once there was line of sight, it can be legit.

3. thanks man!

4. Well even if the reading's no good in court, he now has an idea what your speed is so the moment you come around the curve he's ready to ID you and give you a "present"

5. Wow, about how far before the curve? I always thought he couldn’t get your speed unless the gun and the radar bouncing off your car were direct. If that’s the case, can they get it through trees?

6. Originally Posted by jdong
Well even if the reading's no good in court, he now has an idea what your speed is so the moment you come around the curve he's ready to ID you and give you a "present"
Even if you came out of the curve first doesn't mean you where the one speeding. There a number of factors to consider. This is one area where you see that it is not applied as a basis for citation. LEO can use it as a tool but still needs either another IO or tracking history. I haven't seen or read it in some of the police manuals I have where they use this but can possibly use it as a tool.

7. or the officer can lie and say he got the speed after the curve.

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