Seat belt 1967, Volvo started to install lap belts in the rear seats. In 1972, Volvo upgraded the rear seat belts to a three-point belt. In crashes, unbelted rear passengers increase the risk of belted front seat occupants' death by nearly five times. As with adult drivers and passengers, the advent of seat belts was accompanied by calls for their use by child occupants, including legislation requiring such use. Generally children using adult seat belts suffer significantly lower injury risk when compared to non-buckled children. The UK extended compulsory seatbelt wearing to child passengers under the age of 14 in 1989. It
Built-up area (Highway Code) Built-up area (Highway Code) In the UK Highway Code, a built-up area is a settled area in which the speed limit of a road is automatically 30 mph (48 km/h). These roads are known as 'restricted roads' and are identified by the presence of street lights. In August 2006, the Department for Transport issued new guidance relating to speed limits. It states that: "Street lighting" is further defined as follows: To avoid confusion that could arise if some 30 mph zones were 'street-lit' and some were not, DfT guidance goes onto say: This has led to the conclusion that: However,