Driving Theory Workshop - Green filter arrows indicate a filter lane only. Do not enter that lane unless you want to go in the direction of the arrow. You may proceed in
![Why are there so many traffic lights which Doesn't works? - Page 1 - General Gassing - PistonHeads UK Why are there so many traffic lights which Doesn't works? - Page 1 - General Gassing - PistonHeads UK](http://l7.alamy.com/zooms/fb72e9b880474d8e938568563a1653fc/traffic-lights-with-snow-on-green-uk-b81ymt.jpg)
Why are there so many traffic lights which Doesn't works? - Page 1 - General Gassing - PistonHeads UK
![Jonathan (Not In Service) on Twitter: "@ellenfromnowon it's a green circle. When the bike lane light goes red, that light goes green the forward arrow filter light goes out." / Twitter Jonathan (Not In Service) on Twitter: "@ellenfromnowon it's a green circle. When the bike lane light goes red, that light goes green the forward arrow filter light goes out." / Twitter](https://pbs.twimg.com/media/DyG_RzWX4AIffK1.jpg)