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SIGNALIZED INTERSECTION IMPROVEMENT STUDY

ECIV 542 CLASS PROJECT. SIGNALIZED INTERSECTION IMPROVEMENT STUDY. BLOSSOM AT PICKENS. Omor Sharif Muchun Song Narges Kaveshgar Quyen Pham Chih -Yao Lin. Table of Contents. Introduction. 1. Intersection characteristics. 2. Proposed improvement. 3. Conclusion. 4. Introduction.

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SIGNALIZED INTERSECTION IMPROVEMENT STUDY

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  1. ECIV 542 CLASS PROJECT SIGNALIZED INTERSECTION IMPROVEMENT STUDY BLOSSOM AT PICKENS • Omor Sharif MuchunSong NargesKaveshgar Quyen Pham Chih-Yao Lin

  2. Table of Contents Introduction 1 Intersection characteristics 2 Proposed improvement 3 Conclusion 4

  3. Introduction • Why improvement? Past design can’t fit in current situation • Where to improve? Blossom @ Pickens

  4. Intersection Characteristics 30mph Downtown Columbia 35mph C=134 Y=3 R=2

  5. Data Collection & Analysis • JAMAR Traffic Counter • Synchro 6

  6. JAMAR & Synchro Report

  7. Level of Service Criteria – Signalized Intersections (TRB, HCM2000)

  8. Proposed Improvements • Increase lane width Increase lane width on minor St. from 10’ -> 12’ (insignificant) • Right turn channelization Introduce channelized right turns with yield control on minor St. (LOS: E->D) • Additional lanes Provide an additional travel lane to minor street. (LOS: E->D) • Signal Timing Optimization Use Synchro-suggested (62,64) phase than current (80,54) (LOSM: E->F；LOSm: F->D)

  9. Conclusion • Improvement of this intersection is needed • More aspects should be considered (safety, cost)

  10. ECIV 542 CLASS PROJECT Thank You ! • Omor Sharif MuchunSong NargesKaveshgar Quyen Pham Chih-Yao Lin

  11. Reference • 1. Intersections Improvements Study, Prepared for the City of Piqua Ohio, January 2009, Kleingers & Associates, Inc. • 2. Oldham county intersection improvement study report oldham county, Kentucky, December 2006, DLZ Kentucky, Inc. • 3. Intersection Improvement Study Hendricks County Road 100 South & Dan Jones Road Avon, Indiana, November 2003, DLZ Indiana, LLC • 4. Manual of Uniform Traffic Control Devices, Federal Highway Administration, U.S. Department of transportation, Washington DC, December 2009.

  12. Reference (continued) • 5. Highway Capacity Manual, 4th Edition, Transportation Research Board, National Research Council, Washington DC, 2000 • 6. A policy on Geometric Design of Highways and Streets, 5th Edition, American Association of State Highway and Transportation Officials (AASHTO), Washington DC, 2004. • 7. Traffic Engineering, 4th Edition, R. P. Roess, E. S. Prassas and W. R. McShane, Prentice Hall New Jersey, 2008. • 8. SYNCHRO 6, Synchro plus SimTraffic User Guide, Trafficware Ltd., www.trafficware.com

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