Loading...

Evaluating Effect of Major Approach Median on Minor Approach Drivers’ Behavior at Major-Minor Intersections With Stop Control

Azari, Keyvan | 2010

552 Viewed
  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 40573 (09)
  4. University: Sharif University of Technology
  5. Department: Civil Engineering
  6. Advisor(s): Vaziri, Manouchehr
  7. Abstract:
  8. At major-minor intersections with no timing and signal control, with comparison to those with signal control, a lower level of control is imposed on intersection’s traffic. So the driver’s behavior has more effective and important role on geometric and traffic design of intersection. Therefore, recognizing drivers’ behavior at this kind of intersections seems to be vital. In this research drivers’ behavior in big cities in Iran at major-minor intersections has been studied. For this purpose, 7 major-minor intersections which have stop control at minor approach and median at major approach have been selected and shot. After extraction of primary data from taken digital video films and formation of the primary database, the database has been processed and analyzed and hereby drivers’ behavior in big cities at this type of intersections has been recognized. In addition to comparison of this behavior with the mentioned behavior at AASHTO manuals, the effect of major approach median on this behavior has been specially focused and analyzed. Based on the analysis, changes in width of median in major approach has no effect not only on the speed reduction in major approach, but also on the shape of pass route for vehicles, turning from minor approach and the distance-time curve for right turning vehicles, from minor approach. However, by increasing the width of median in major approach, the pass speed of vehicles with right turn and straight maneuvers from minor approach decreases while the acceptable time gap and the required sight distance for all vehicles in minor approach increase
  9. Keywords:
  10. Major-Minor Intersections ; Stop Control ; Drivers Behavior ; Major Approach Median

 Digital Object List

 Bookmark

No TOC