Comment: Yup (Score 1) 82
Comment: Re:Doing my part (Score 1) 82
Comment: Speaking of power (Score 1) 74
Comment: Also (Score 1) 90
Comment: And the 1000 sites are? (Score 3, Interesting) 90
Comment: What matters (Score 1) 309
Comment: Re: Citations? They need to be sued heavily (Score 2) 505
Comment: Re:Citations? They need to be sued heavily (Score 1) 505
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May I ask a question then? From the fine article it provides a list of speed limits and yellow light durations. Why do the YLDs increase with speed? It takes less time to clear an intersection if you are travelling faster, so surely a shorter yellow makes sense.
Take an extreme case (to simplify the calc. and more dramatically show how wrong this yellow light thing must be):
- 1/10th mile long intersection, and 2 speeds - 10 & 60 mph. At 10 mph it takes (1/10 / 10) or 1/100th of an hour (36 seconds) to clear the intersection. At 60 mph it takes (1/10 / 60) or 1/600th of an hour (6 seconds) to clear. A factor of SIX less time is needed to clear an intersection at 60 vs 10 mph, yet the table in TFA clearly shows yellow light times increasing with speed.
By the way, for those thinking they need a longer yellow at higher speeds for safety, this is where it has been traditional (in Canada anyway) to increase the length of time where ALL lights are red as speed goes up.
Also, FWIW, the width of the intersection _must_ be considered when setting yellow light time. The yellow light is saying "Stop if you can, but if not I will cover for you as you clear the intersection". Wider intersection == more time needed to clear it.
Comment: Re:Cool web site (Score 1) 224
Comment: And yet (Score 1) 193
Comment: Re:Three Gorges Dam (Score 1) 475
Comment: Re:Cool web site (Score 2) 224
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All in all they have done a very effective job of (1) forcing me to see one of their ads, (2) making it very difficult to actually serve their content to the average viewer, (3) making me never want to go to their web site again (the behavior will continue across their whole web site until you enable Javascript), (4) causing me to re-disable Javascript for their site after reading the article and (5) encouraging me to add them to my hosts file so that I don't accidentally go there again.
Comment: Cool web site (Score 1) 224
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