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
Great Ocean Road is susceptible to erosion. The road travels via Anglesea, Lorne, Apollo Bay, and Port Campbell, the latter being notable for its natural limestone and sandstone rock formations including Loch Ard Gorge, The Grotto, London Arch (formerly London Bridge) and The Twelve Apostles. At the stretch of the Great Ocean Road nearer to Geelong, the road meanders along the coast, with tall, almost-vertical cliffs on the other side of it. Road signs put up along the road warn motorists of possible rockfalls, which have occurred before. The city of Geelong, close to Torquay, experiences great benefit from Australian and international visitors