PAVEMENT MANAGEMENT SYSTEM (PMS) IN SWEDEN --HIGHWAY CONSTRUCTION AND MAINTENANCE. PROCEEDINGS OF SEMINAR S HELD AT THE PTRC SUMMER ANNUAL MEETING, SUSSEX, ENGLAND, JULY 14-17, 1986. VOLUME P286
1986
The aim of the pavement management system (pms) in Sweden is to match the need for information for a wide range of decisions, from long-term strategic decisions related to the road network as a transport system, via tactical decisions related to the road surface standard, to operative decisions which make the suitable actions clear. To establish a consistent hierarchy of decisions, there should be only one pms to which the whole road administration has access. However, the various decisions to be made require information in various forms as well as different processing of data. The pms of the Swedish national road administration has therefore been divided into three subsystems, which have been adopted to the tasks of each subsystem. The strategic subsystem is designed for use in, for example, decisions on targets and aims of maintenance of surfaced roads. The decision system must also be capable of describing the road transport function, that is how well the community is served by road transport when different road management strategies are employed. This requires descriptions of the accessibility provided by the transport system, but also its side-effects, in the form of accidents and environmental disturbances. The tactical subsystem is designed for use principally in determination of a suitable road standard (e.g. Smoothness and rut depth), for which funds from Parliament and the road transport standard are superior decisions. An important task is also to provide basic information for allocation of the funds received from Parliament. The operations subsystem is designed for identifying and giving priority to surfacing projects on the basis of decided road standards and for proposing a suitable action/design.(a) for the covering abstract of the seminar see IRRD 812645.
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