Use of connected vehicle data for speed management in road safety

Traffic speed is one of the most important factors influencing road-based mobility and safety outcomes. Collection of accurate speeds at chosen points in the road network has been costly and limited in scope. Increasing proliferation of connected vehicles generates new types of data sampled from mobile and navigation devices, and from onboard systems. Internationally, this anonymous sampling technique is referred to as floating-car data (FCD). FCD offers a unique opportunity to measure speeds at any point across the entire road network. The validity of this data and its usefulness in road safety applications has been unknown. This paper presents findings of validation of FCD speeds against conventionally collected point-speed data for different parts of the road network in Victoria. Analysis showed a clear relationship between the two data types. FCD was shown to be a viable source of speed monitoring information which can influence road safety policy, speed management (e.g. setting of speed limits), and in road safety evaluations. Availability of FCD speeds was much greater than for point-speed data, covering most of the public road network. Several use cases for this data are presented to demonstrate its practical applications. The paper discusses various limitations of the data, and the expected evolution of this important data source.

• Record URL:
  https://arrbknowledge.com
• Authors:
  • Jurewicz, C
  • Espada, I
  • Makwasha, T
  • Han, C
  • Alawi, H
  • Ambros, J
• Conference:
  • ARRB International Conference, 28th, 2018, Brisbane, Queensland, Australia
• Publication Date: 2018-5

Language

• English

Media Info

• Pagination: 12p
• Monograph Title: Next generation connectivity: 28th ARRB International Conference, Brisbane, 29 April-2 May, 2018

Subject/Index Terms

• TRT Terms: Automatic vehicle monitoring; Data collection; Highway traffic control; Location; Speed; Types of roads by network; Vehicle to infrastructure communications
• Uncontrolled Terms: Safe systems (roads)
• Geographic Terms: Victoria
• ATRI Terms: Data collection; Location; Road network; Speed; Traffic management; Vehicle monitoring; Vehicle to roadside communications
• Subject Areas: Operations and Traffic Management;

Filing Info

• Accession Number: 01678421
• Record Type: Publication
• Source Agency: ARRB
• Files: ITRD, ATRI
• Created Date: Aug 23 2018 2:31PM