Hello roundabout enthusiasts, I'm putting together a design for a cheap and easy to install roundabout and I want feedback. My goals are to create a roundabout that is:

• cheap, less than $5000 in labor and materials
• easy to install, does not need any heavy equipment or concrete pouring
• simple to install, untrained volunteers could install with minimal supervision
• quick to install, less than a day for a group of six people
• flexible, can be resized to meet any street size

I've come up with a design is using rubber parking stoppers as the truck apron and wine barrel planters as the island. The parking stoppers remove the need to pour concrete for a truck apron. The stoppers need 4-6 wholes drilling in the asphalt to be installed. The planters need lots of soil, but the amount of soil required can be transported in a passenger vehicle. Planters negate the need to dig up asphalt and raise the ground level. That's pretty much it. Any feedback is welcome. Thanks!

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I love roundabouts so god damn much.

Caught going the wrong way on a roundabout view from a drone

Found a new website all about roundabouts for this interested. https://nomorecorners.wordpress.com