Operational performance analysis of the unconventional median u-turn intersection design

Canadian Journal of Civil Engineering

Volumn 38, Issue 11, 2011, Pages 1249-1261

  el Esawey, Mohamed ^a   Sayed, Tarek ^b  

^a Ain Shams University   (Egypt)

^b UNIVERSITY OF BRITISH COLUMBIA   (Canada)

Author keywords

Median u turn; Micro simulation; Unconventional intersections

Indexed keywords

CAIRO , EGYPT; FOUR-LEG; INTERSECTION DESIGN; MEDIAN U-TURN; MICRO-SIMULATION; OPERATIONAL PERFORMANCE; POOR PERFORMANCE; TRAFFIC REGULATIONS; UNCONVENTIONAL INTERSECTIONS;

COMPUTER SIMULATION;

DESIGN;

BASELINE CONDITIONS; COMPARATIVE STUDY; EXPERIMENTAL DESIGN; PERFORMANCE ASSESSMENT; REGULATORY APPROACH; TRANSPORTATION POLICY; TRANSPORTATION SAFETY; VOLUME;

CAIRO [EGYPT]; EGYPT;

EID: 80555131902     PISSN: 03151468     EISSN: 12086029     Source Type: Journal    
DOI: 10.1139/l11-085     Document Type: Article

References (21)

1. Bared, J.G., and Kaisar, E.I. 2002. Median U-turn design as an alternative treatment for left turns at signalized intersections. ITE Journal, 72(2): 50-54.
2. Bared, J., Edara, P., and Jagannathan, R. 2005. Design and operational performance of double crossover intersection and diverging diamond interchange. In Transportation Research Record: Journal of the Transportation Research Board, No. 1912, Transportation Research Board of the National Academics, Washington, D.C., pp. 31-38.
3. El Esawey, M., and Sayed, T. 2007. Comparison of two unconventional intersection schemes: crossover displaced left-turn and upstream signalized crossover intersections. In Transportation Research Record: Journal of the Transportation Research Board, No. 2023, Transportation Research Board of the National Academics, Washington, D.C., pp. 10-19.
4. El Esawey, M., and Sayed, T. 2011. Unconventional usc intersection corridors: evaluation of potential implementation in Doha, Qatar. Journal of Advanced Transportation, 45(1): 38-53. doi:10.1002/ atr.131.
5. Highway Capacity Manual. 2000. TRB, National Research Council, Washington, D.C
6. Hummer, J.E. 1998a. Unconventional Left-Turn Alternative for Urban and Suburban Arterials - Part One. ITE Journal, 68(9): 26-29.
7. Hummer, J.E. 1998b. Unconventional Left-Turn Alternative for Urban and Suburban Arterials - Part Two. ITE Journal, 68(11): 101-106.
8. Jagannathan, R. 2007. Synthesis of the median u-turn intersection treatment, safety, and operational benefits. Presented at the 3rd Urban Street Symposium, Seattle, Washington.
9. Jagannathan, R., and Bared, J. 2004. Design and operational performance of crossover displaced left-turn (XDL) intersections. In Transportation Research Record: Journal of the Transportation Research Board, No. 1881, Transportation Research Board of the National Academics, Washington, D.C., pp. 1-10.
10. Lu, J.J., and Liu, P. 2004. Safety and operational evaluation of right turns followed by u-turns as an alternative to direct left turns. Volume II: Operational evaluation of right turns followed by uturns (6 or more lane arterials) at signalized intersections as an alternative to direct left turns. Technical Report, Florida Department of Transportation.
11. Lu, J.J., and Liu, P. 2005. Safety and operational evaluation of right turns followed by u-turns as an alternative to direct left turns. Volume IV: Operational evaluation of right turns followed by uturns (4-lane arterials) as an alternative to direct left turns. Technical Report, Florida Department of Transportation.
12. Reid, J., and Hummer, J. 1999. Analyzing system travel time in arterial corridors with unconventional designs using microscopic simulation. In Transportation Research Record: Journal of the Transportation Research Board, No. 1678, Transportation Research Board of the National Academics, Washington, D.C., pp. 208-215.
13. Reid, J.D., and Hummer, J.E. 2001. Travel time comparisons between seven unconventional arterial intersection designs. In Transportation Research Record: Journal of the Transportation Research Board, No. 1751, Transportation Research Board of the National Academics, Washington, D.C., pp. 56-66.
14. Rodegerdts, L., Nevers, B., and Robinson, B. 2004. Signalized intersections: informational guide. Publication FHWA-HRT-04- 091. FHWA, US Department of Transportation.
15. Shahi, J., and Choupani, A. 2009. Modelling the operational effects of unconventional U-turns at a highway intersection. Transportmetrica, 5(3): 173-191. doi:10.1080/18128600902795042.
16. Stamadias, N., Kala, T.B., Clayton, A., and Agent, K.R. 2004. Uturns at signalized intersections. Lexington: Kentucky Transportation Center. Report No. KTC-04-12/SPR258-03-3F.
17. Synchro 6. 2009. Traffic Signal Coordination Software, Trafficware, Sugar Land, Texas.
18. Tabernero, V., and Sayed, T. 2006. Upstream signalized crossover intersection: an unconventional intersection scheme. Journal of Transportation Engineering, 132(11): 907-911. doi:10.1061/ (ASCE)0733-947X(2006)132:11(907).
19. VISSIM. 2008. VISSIM 5.1 Manual. PTV Planug Transport Verkehr AG, Innovative Transportation Concepts, Inc., July.
20. Zhou, H., Lu, J.J., Yang, X.K., Dissanayake, S., and Williams, K.M. 2002. Operational effects of u-turns as alternatives to direct left turns from driveways. In Transportation Research Record: Journal of the Transportation Research Board, No. 1796, Transportation Research Board of the National Academics, Washington, D.C., pp. 72-79.
21. Zhou, H., Hsu, P., Lu, J., and Wright, J.E. 2003. Optimal location of u-turn median openings on roadways. In Transportation Research Record: Journal of the Transportation Research Board, No. 1847, Transportation Research Board of the National Academics, Washington, D.C., pp. 36-41.