I just read this on gizmodo and had to share :)

Atmospheric conditions were just right early this morning in the Chicago area for the weather service to pick up motorists driving down Interstate 55 and 57 using Doppler radar. Apparently, one of these motorists was late for an important meeting because a car was clocked doing around 210 kph. It's hard to see, but the green and blue specs in the area circled above indicate the high speed vehicle.

Click to read more:

http://www.gizmodo.com.au/2008/08/doppler_weather_radar_picks_up_car_blazing_down_highway_at_130_mph-2.html

Source: gizmodo.com.au

hahahahahahah...that's amazing! I wonder what freeway it was on?

oops, just re-read it was on interstate 55 and 57.

I wonder when the last time the instrument was calibrated... LOL!!!