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I remember when I took my PE exam some 30 years ago which covered all branches of Engineering, completing a traffic light timing problem which was very straight forward working with charts to obtain the answer, easiest question on the test in my opinion. ...

Mr. Thompson, There are variety of ethical issues to ponder which relate directly to the NSPE Code of Ethics that are discussed in the Opinions of the NSPE Board of Ethical Review  Please visit - https://www.nspe.org/resources/ethics/ethics-resources/board-ethical-review-cases ...

Robert, Traffic engineers cause your dangerous scenarios, not bad drivers.    Traffic engineers, by their calculations of yellow-light and all-red clearance intervals according to the "ITE practice", deliberately place conflicting traffic in the intersection ...

A recent article on teaching self driving vehicles local traffic customs, explains that in Pennsylvania that some motorists make a left hand turn at an intersection on a fresh green light prior to on coming traffic clearing.  This is very dangerous as ...