The Brihanmumbai Municipal Corporation (BMC) was the first civic body in the country to launch the revolutionary initiative of 'smart traffic signal' in 2008 which change from red-amber-green depending on the traffic flow in any direction, an official said in Mumbai on Friday.

The plan to convert the entire traffic signal system in the city comprising 335 'conventional signals', and another 166 'flashing beacon lights' to smart signals is underway at a fast pace and will be implemented soon, the BMC official said.