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Front Brake Lights Could Drastically Diminish Road Accident Rates
(bioengineer.org)
This is a most excellent place for technology news and articles.
Same when crossing the street in front of a car. I don't cross unless I have a crosswalk light or I make eye contact with the driver.
The crosswalk light might help in the lawsuit after you are seriously injured or killed, if anyone submits video evidence at the trial.