1. Asakura Y and Kashiwadani M (1991) “Road Network Reliability Caused by Daily Fluctuation of Traffic Flow”. Proc. of the 19th PTRC, Summer Annual Meeting, Brighton Seminar G
2. Asakura Y (2006) “Travel Time Reliability”, 3rd COE Symposium, Presentation at University of Washington, Seattle
3. FHWA Report (2004) “Traffic Congestion and Reliability Trends and Advanced Strategies for Congestion Mitigation” , US Department of Transportation, Federal Highway administration, http://ops.fhwa.dot.gov/congestion_report/
4. FHWA Report (2006) “Travel Time Reliability: Making It There On Time, All The Time” , US Department of Transportation, Federal Highway administration, http://www.ops.fhwa.dot.gov/publications/tt_reliability/index.htm
5. Florida DOT Report (2007) Travel Time Reliability and Truck Level Service on the Strategic Intermodal System, Florida Department of Transportation, US