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chmeeee · 06-28-2007, 09:33 AM

The design should be sufficient for a 50-foot 18-wheeler to pass through safely. The roundabout is designed however with the intention of longer vehicles putting their inside rear wheels on the cobblestones. There is no raised lip or anything, they are just sloped upwards from the pavement level (assuming the top course has been put down by now), where they are flush, to discourage cars from traveling on them.

EDIT: Here is a good resource for roundabout info, the citizen's guide in particular will explain a lot:

https://www.nysdot.gov/portal/page/p...in/roundabouts

06-28-2007, 09:33 AM	#40
chmeeee Senior Member Join Date: May 2007 Location: Central CT Posts: 90 Thanks: 19 Thanked 5 Times in 2 Posts	The design should be sufficient for a 50-foot 18-wheeler to pass through safely. The roundabout is designed however with the intention of longer vehicles putting their inside rear wheels on the cobblestones. There is no raised lip or anything, they are just sloped upwards from the pavement level (assuming the top course has been put down by now), where they are flush, to discourage cars from traveling on them. EDIT: Here is a good resource for roundabout info, the citizen's guide in particular will explain a lot: https://www.nysdot.gov/portal/page/p...in/roundabouts Last edited by chmeeee; 06-28-2007 at 11:33 AM.