The purpose of the SHRP 2 Reliability Project L01, Integrating Business Processes to Improve Travel Time Reliability, is to assist transportation agency and authority managers in assessing their business processes for transportation system operations and in developing and integrating key business processes to improve travel time reliability. Reliability of the transportation network, which can be defined as the consistency of travel time for a particular trip, is dependent on many agencies and many processes; often these independent business processes must work together to achieve reliability objectives. Travel conditions on streets and highways are significantly affected by congestion triggers such as incidents, work zones, special events, and weather. The impact of each of these events on reliability can be minimized to some extent by processes put in place by various agencies. Furthermore, where there are opportunities to implement improved processes or enhance current procedures by integrating processes from one or more agencies, there can be a significant reduction in the impact of congestion triggers. For example, the impact of an incident on reliability will be influenced by fire and emergency medical service (EMS) response to aid victims, police response to investigate and clear the incident, and transportation’s response to provide detours and advance traveller information. Reliability may be improved when the various processes are integrated with common goals, such as improved reliability built into each of the different processes. Information for this project was gathered through literature reviews; a workshop conducted with representatives from federal, state, and local planning and operations agencies (1); and a series of 10 case studies. Information from the research is presented in Integrating Business Processes to Improve Travel Time Reliability (2). (Author/publisher)
Samenvatting