|Authors:||Astrid Helene Amundsen, Rune Elvik, Kjartan Sælensminde|
The system for determining speed limits in urban areas is examined. Studies that have been made in Norway concerning insecurity are summarised. It has been found that many parents worry about the safety of children in traffic. Estimates of the optimal speed limits on different types of road in urban areas are made. Sensitivity analyses are made by varying input parameters systematically. Current criteria for setting speed limits are described. It is concluded that major arterial roads in urban areas can have a higher speed limit than the general speed limit of 50 km/h. Access roads in residential areas and streets in shopping areas ought to have a speed limit of 30 km/h.