Quote:
Originally Posted by stinkwheels
Yeah it's strange when you see that. I sometimes wonder if the slower speed limit on the better, multi-lane road is to prevent a bottle-neck from forming where the road goes single-lane. Apparently they program traffic lights in the majors cities to maximize traffic flow through the city and I've wondered if some speed limits play a role.
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you are absolutely right. many of these things are taken into account.
German traffic engineers, real engineers with degrees and experience and authority are currently developing systems to maximise traffic flow and speed to minimise fuel consumption through traffic light control, average speed maintenance along major arterials, detailed surveys and modelling of commuter traffic and rigorous assessment is key. Because even the ost efficient engine is wasting fuel while sitting stationary in unnecessary slow traffic.
Ever wonder why there are so many duel lane roads with 3 lanes at traffic lights. Its to move as many cars across the intersection during a cycle as possible to help mediate traffic, butt he average austyralian just blocks the merging traffic in the derby defeating the opportunity and slowing up everyone behind.
JP