Several methods exist for operators of Advanced Traffic Management Systems to react to incidents. The field equipment modifications that are made to react to an incident are termed a "scenario". The most common method to create a scenario is for an operator to dynamically create a solution scenario once an incident has been identified. This creation activity requires that the operator determine what field equipment should be modified to react to a specific incident. Another approach is to utilize "pre-programmed" solution scenarios, that is, possible scenarios are created before an incident occurs and these pre-programmed scenarios are stored in some fashion so that they may be quickly recalled. Other methods exist, however, each of the methods has various advantages and disadvantages. This paper discusses a concept of Automatic Scenario Generation in which a set of scenario rules are established and then coupled with a Geographical Information System (GIS) database to create a solution scenario in a dynamic fashion. The geometry of the roadway is taken into account when field equipment modifications are made and the concepts described in this paper allow this to be done dynamically, in real-time when an incident occurs. This paper describes work in progress, additional conclusions and information that will be available when the development efforts are completed in the Spring of 2000. (A*)
Abstract