1. Tunesia loves its roundabouts. Like much of the non-US world, Tunesia eschews the American style four way stop in favor of the occasionally frustrating wheel of driving “fun”.
While engineers have focused on overall rule clarity, volume, and safety when comparing the two systems, it seems one crucial point has been lacking in their data input.
Smart Phone use!
I know, I know. One shouldn’t text and drive.
By most accounts, a roundabout is roughly 20 percent more efficient than a four way stop. If only contrasted head to head, it seems a no brainer.