Getting stuck in Baltimore traffic is nothing new, and neither are the city's traffic lights. WBAL-TV 11 News Investigates ...

Here is our new simple Electrical/Electronics project about Automatic Street Light Control System. It is simple and a powerful concept, which uses transistor (BC 547 NPN) as a switch ON and OFF the ...

WASHINGTON — A Pennsylvania congressman is defending his effort to eliminate Washington D.C.'s automated traffic enforcement system, pushing back against critics who say Congress shouldn't be ...