Courtesy travel speed advisory systems.

Courtesy travel speed advisory systems are used in most states of Australia with some evidence suggesting reduced vehicle speeds are a result. The current review of the literature has primarily shown positive aspects of the systems including: 1. reduction in speeds without the use of engineering interventions; 2. speed reductions without hampering service vehicles; 3. technology allowing the use of courtesy travel speed advice and messages in other situations (for example lane closed), and systems that can be fully portable or fixed as gantries on major arterials and freeways. There tends to be agreement from most Australian state road authorities that the use of courtesy travel speed advisory systems should be owned and operated by personnel other than police. This then frees them up for more important work. However, the perception of 'government revenue raising' activities can be diminished by promoting police operation of non-prosecution activities associated with these systems. A model is suggested for use of the courtesy travel speed advisory systems in the short-term and for permanent installations. (Author/publisher) For the covering entry of this conference, please see ITRD abstract no. E209619. This paper may also be accessed by Internet users at: http://www.rsconference.com/index.html