Thomas Riedel, Monica Menendez

Research output: Chapter in Book/Report/Conference proceedingChapter


This chapter elaborates the fundamental principles of fixed traffic signal control in Switzerland. Signal control in Switzerland is usually traffic-dependent. As a matter of fact, less than 5% of the controlled intersections are fixed signals (i.e., have no traffic-dependency). Nevertheless, static traffic control considerations are still widely used as the foundation for more complex traffic-actuated control schemes. This chapter therefore focuses on the traffic control development process using fixed-time control as a base for adding traffic actuation in the next step.

Original languageEnglish (US)
Title of host publicationGlobal Practices on Road Traffic Signal Control
Subtitle of host publicationFixed-Time Control at Isolated Intersections
Number of pages17
ISBN (Electronic)9780128153024
ISBN (Print)9780128153031
StatePublished - Jan 1 2019


  • Fixed-time control
  • Road traffic signals

ASJC Scopus subject areas

  • General Social Sciences


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