1. A Policy on Geometric Design of Highways and Intersections. AASHTO, Washington, D.C., 2001.
2. Highway Capacity Manual. TRB, National Research Council, Washington, D.C., 2000.
3. May, A., and A. Skabardonis. "User Assessment of the HCM 1997 Intersection Chapters Procedures." Institute of Transportation Studies, University of California (1999).
4. Weijermars, W. A. M., and Eric C. van Berkum. "Daily flow profiles of urban traffic." WIT Transactions on The Built Environment 75 (2004).
5. Variability of Peak Hour Factor at Intersections