...obviously don't take the size of possible traffic into account.
Of general interest to those in the industry, and perhaps it'll save somebody some heartache someday.
I've been working on a new home site for a number of years now; several hundred acres of brownfield, in the city, being turned into an upscale residential neighborhood. Initially, access was from one direction only, but the design has always been to provided access from both ends of the property. In the most recent phase of site development, the road was finally completed, and part of that included one of the only roundabouts in this part of the state. This is not, and never was expected to be a "through" route to anywhere, but rather part of the residential neighborhood street grid. As such, the pavement is generally only about 25 feet wide.
There's a cobblestone border around the center island of the roundabout, which has been landscaped with ground cover and shrubbery. There's a wedge curb at the edge of the blacktop, and a second curb that defines the landscaped area. The islands are paved with cobblestones as well, also with that low, wedge curb.
Here's a Google Earth shot of the roundabout during the construction phase. The yellow line is just about the length of a 53' trailer.
Of general interest to those in the industry, and perhaps it'll save somebody some heartache someday.
I've been working on a new home site for a number of years now; several hundred acres of brownfield, in the city, being turned into an upscale residential neighborhood. Initially, access was from one direction only, but the design has always been to provided access from both ends of the property. In the most recent phase of site development, the road was finally completed, and part of that included one of the only roundabouts in this part of the state. This is not, and never was expected to be a "through" route to anywhere, but rather part of the residential neighborhood street grid. As such, the pavement is generally only about 25 feet wide.
There's a cobblestone border around the center island of the roundabout, which has been landscaped with ground cover and shrubbery. There's a wedge curb at the edge of the blacktop, and a second curb that defines the landscaped area. The islands are paved with cobblestones as well, also with that low, wedge curb.
Here's a Google Earth shot of the roundabout during the construction phase. The yellow line is just about the length of a 53' trailer.
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