Flashy warning

日期:2019-03-07 12:14:01 作者:徐蠃 阅读:

By Barry Fox Muscovites Mikhail Safronov and Vyacheslav Bartenev want to let drivers know how long it will be before the traffic lights change (EP 886 253). They suggest suspending two red and two green lamps alongside the main traffic lights. All three lights of one colour would start to flash 20 seconds before a change. Then one by one they would stop to give a countdown effect. A steady green or red light will still mean “go” or “stop” respectively. The inventors say drivers approaching the lights will know when they are running out of time to cross a junction,