UK Highway Code
Types of flashing beacons: Green: Associated with Safety Blue: Emergency like Police, Ambulance, Bomb Disposal Amber: Vehicle with abnormal loads or recovery vehicles Absence of MOT invalidates vehicle insurance Kick down ==> break progressively Single carriageway: Center line separates traffic in two directions Dual carriageway: Separated by strip of land in the middle / central reservation There can be multiple lanes in both of them Signs Waiting restrictions Parking restrictions National speed limit No entry sign T junction Diversion signs