Originally Posted by dellwilson

This thread is fantastic. I've always assumed that the sensors in the roads responded to weight. I've got two intersections that give me trouble on the way home. The first intersection is right outside of my company so the wait for cars to come behind and trigger the light is not long. Last night, there was a car there before me. The second intersection is in a very quiet part of downtown and I resort to running that light almost every evening. I tried the advice in this post last night and I got a light! Not enough evidence to say it's a done deal yet, but very promising. Thanks to all for this useful tip.