How Red Light Cameras Work is an interactive from the Los Angeles Times. It shows how cameras on traffic lights work to take pictures of cars that “run” red lights.
There’s actually a lot of good information in the animation, and users can slow it down by clicking on a step-by-step button. Intermediate English Language Learners would find it accessible, and, at least for my students, learning anything about driving is a high-interest lesson…
I’ve placed the link on my website under Driving.