traffic+control+systems

What isTraffic control system A system that controls amount of vehicles travelling though city or town. media type="youtube" key="bXQbfrtCYFA" height="315" width="560" this video gives an insight to the London system. it shows how one system can hold a substancetul amount of vehicles travelling in one city. [] this link is to an article that explains the effect of traffic control in the environment.

Social and ethical issues Traffic control systems can cause a lot of pollution to the environment by having vehicles waiting at certain points at one time. This is dealt with by having the traffic lights on timers to speed up the traffic flow.