How Traffic Signal Systems Operate
4:14
Grades: 3 - 8
Video Description: New November 2022! A traffic control technician shows how traffic signal systems operate throughout a city.
Type of Video: Segment*
Unique Video ID: Infrastructure-25**
Quick Ideas for Using the Video:
- In a cross-curricular STEM activity, have students watch the video to identify examples of science, technology, engineering, and mathematics included in a traffic control system. Have them pair up to create a list to share with the class.
- As part of your students’ study of community, include the video as a pre-activity before inviting a guest speaker to come to class and discuss underground infrastructure in your town. What questions do students have after watching the video that they could ask the guest speaker?
- To learn more about systems underground in any city, check out the full program this segment is edited from—Explore! The City Underground. (Unique ID: Infrastructure-4)
*Segment videos are short excerpts edited from interviews or interactive programs that offer flexible and differentiated ways to use the rich content included in the full-length conversation.
**The unique Video ID can be used to quickly locate a single video in the ET collection. This search function is designed to let teachers assign students to watch a specific video and have only that video appear as a search result. Just click on Search and choose “By Video ID.” Then type in the Video ID as it appears above. Be sure to include the dash.
