Intersections without Traffic Signals

1. Front Matter

   Pages I-XVIII

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2. Current and Future Australian Practices for the Design of Unsignalized Intersections

   • R. J. Troutbeck

   Pages 1-19

3. The Design of Unsignalized Intersections in the UK

   • R. M. Kimber

   Pages 20-34

4. Status of Unsignalized Intersection Capacity Research in the United States

   • John D. Zegeer

   Pages 35-47

5. Safety and Design of Unsignalized Intersections in France

   • J. M. Gambard

   Pages 48-61

6. Research on Traffic Performance of Major/Minor Priority Intersections

   • M. Tracz

   Pages 62-79

7. Swedish Research on Unsignalized Intersections

   • J. Anveden

   Pages 80-102

8. Research on Unsignalized Intersections with Impact on the Czechoslovak Design Standard

   • P. Jirava, P. Karlický

   Pages 103-110

9. Recent Developments in Calculation Methods for Unsignalized Intersections in West Germany

   • Werner Brilon

   Pages 111-153

10. Some Factors Effecting Left-turn Capacity and Delay at Unsignalized Intersections

    • L. M. Hoppe, T. Krystek

    Pages 154-164

11. A Model of Unsignalized Intersection Capacity Based on Erlang-3 Gap Distribution

    • Pano D. Prevedouros

    Pages 165-179

12. The Influence of Partial Constraint on Delay at Priority Junctions

    • Xiwen Zhang

    Pages 180-196

13. Simulation Studies of the Effects of Some Geometrical and Traffic Factors on the Capacity of Priority Intersections

    • Stanislaw Gaca, Janusz Chodur

    Pages 197-213

14. INSECT - The Calibration and Validation of an Intersection Simulation Model

    • R. T. Tudge

    Pages 214-235

15. Conflicts and Delay Studies at Unsignalized Intersections

    • Xiao Yan Zhang, Shu Sheng Zhang

    Pages 236-247

16. Recent French Studies on Capacity and Waiting Times at Rural Unsignalized Intersections

    • Gérard Louah

    Pages 248-262

17. KNOSIMO - A Practicable Simulation Model for Unsignalized Intersections

    • Michael Grossmann

    Pages 263-273

18. UK Techniques for the Prediction of Capacities, Queues, and Delays at Intersections Without Traffic Signals

    • Marie C. Taylor

    Pages 274-288

19. Computer Assisted Optimisation of Roundabout Design

    • L. G. Willumsen, W. Kay

    Pages 289-304

20. Traffic Safety at Roundabouts

    • H. Å. Cedersund

    Pages 305-318

From March 16 - 18, 1988, an international workshop on inter­ sections without traffic signals will take place at the Ruhr­ University, Bochum. This book, which was compiled prior to the event, comprises the written versions of the contributions pre­ sented at the workshop. This preface is an attempt to give a short survey of the deve­ lopment of this particular field of traffic engineering. It has to be said in advance, however, that it is written from a point of view decisively influenced by the relevant German litera­ ture. Most of the intersections in our road networks are unsignaliz­ ed. At first glance, however, traffic engineers seem to be more interested in high-performance grade-separated or signalized intersections. But a closer study of the relevant literature does not confirm this apparent lack of importance. On the contrary: The subject of unsignalized intersections is still intensively dealt with at many research institutes. The German observer will notice the following fact while study­ ing the relevant sources: A remarkably high number of the au­ thors who have contributed to the investigation of unsignalized intersections in German-speaking countries have later become uni versi ty teachers. There is every reason to believe that traffic engineers primarily interested in theoretical problems have mainly been working in this field.

• design
• safety
• simulation
• traffic

• Institut für Verkehrswesen I, Ruhr-Universität Bochum, Bochum, Germany

  Werner Brilon

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