Many times traffic lights are poorly designed, or have lost timing over the years and never been tuned back to correct, so you might be fully correct in your fr

Many times traffic lights are poorly designed, or have lost timing over the years and never been tuned back to correct, so you might be fully correct in your frustration. Sometimes, however, the purpose of traffic lights is to keep the flow of traffic slower to improve safety for pedestrians, bicycles, and other drivers. Especially in down towns when it seems like the light cycles are specifically designed to thwart your desire to simply cruise through at the speed limit, that might literally be happening.