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Originally Posted by fatlazyless
According to the info in last week's LaDaSun, the large square granite pavers in the center are not curbs but are a central rumble zone for big trucks and big trailers, because their rear wheels track in a tighter radius than the front steering wheels and are welcome to roll......er, make that rumble.... over the granite pavers. After bike week, another layer of asphalt will be added to make the road level with the granite pavers.
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FLL, you are correct. The paved width of a roundabout is typically only designed to accommodate a car. Trucks and anything towing a trailer will put their inside rear wheels up onto the granite truck apron. The reasoning behind this is if you make the paved surface wide enough for a truck, it is too wide for a car, leading to higher speed. It also allows traffic traveling straight through to “straighten” their path, once again allowing higher speed and decreasing safety. There is a roundabout even smaller than the Meredith one at the end of the street I live on here in CT, so I have gotten used to how it works. Heck, I live down the street from a fire station, and they have no problem whatsoever in the trucks.