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Download GirlTREC-2019Lesson-Plans.pdf (157 KB)

Download GirlTREC2019Packet.pdf (4.2 MB)

Download GirlTrec_StudentsHandout-Mini-Lecture.pdf (138 KB)

Download GirlTrec_Signal-Efficiency-Analysis.pdf (219 KB)

Download GirlTrec_Discussion-for-Observers.pdf (77 KB)


The purpose of these lesson plans is to introduce students to traffic signalization basics. Students will be lead through a series of mini-lectures on traffic control and signalization including a discussion on the limitations and benefits of traffic signalization. The lesson plans compliment a computer simulation “game” in which students act as manual operators for a single up to four by four gridded intersection. Students attempt to control the progression of signals to understand the relationship between signal timing and user delay. Through experimentation with the simulation, students generate a presentation discussing the benefits and drawbacks of signal timing and graph the relationship between signal cycle length and driver delay. The lesson plan concludes with each student group giving a presentation on their experimental findings. This set of lesson plans includes the lecture PowerPoint slides with scripted comments and the simulation game files.

Publication Date



5th-7th grades

Document Type

Lesson Plan

Outreach Activity

GirlTREC hosted by MarTrec


Signalization, Highway traffic control, Traffic signal timing, Stopped time delays, Traffic simulation, Education and training methods


Civil Engineering | Hardware Systems | Other Electrical and Computer Engineering | Transportation Engineering | Urban Studies and Planning


Please use the Transit Trouble Game to test your knowledge.

Introduction to Signal Timing & Traffic Control