Road signs in Brunei are generally circular with a white border and symbol on a blue background. They usually indicate something all drivers must do (e.g. keep left) or a facility available to certain classes of traffic (e.g. pedal cycles only). Warning signs warn of possible dangers or unusual conditions ahead and alert motorists on the hazards to expect. They are usually shaped as triangles with a red border. Information signs are signs that may be mounted to indicate a certain condition or nature of the road ahead that motorists need to take note. They are independent of existing mandatory and prohibitive signs. Such
Level crossings in the United Kingdom signed on 14 March 1957, and automatic and automated crossings came into use, with the first automatically operated level crossing commencing operation at Spath near Uttoxeter in Staffordshire in May 1961. Automatic half-barrier crossings later came into being after another enquiry abroad in 1963, consisting of a single arm each side of the road, which block only oncoming traffic leaving the exits clear for trapped occupants. Half barriers were considered to have an advantage as they have a lesser closure time and do not require to be interlocked with signals, but cases where impatient motorists have driven around the barriers