About this document
Understanding Traffic Light Signals by GElla BarRete ReQuillo is a document available to read on EtoBox.
- Author
- GElla BarRete ReQuillo
- Language
- EN
About this book
Traffic lights use a system of colored lights - green, yellow, and red - to control the flow of traffic at intersections and pedestrian crossings. Green means traffic can go if it
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- Language
- en
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