Weirs Guy, I've never heard of a roundabout causing cut tires. I think once they lay down the top course of pavement, you'll see it won't be an issue. Then again, maybe it will be a big SNAFU, we'll see.
OFD, I haven't really read the Union Leader before, so I appreciate the comparison to the Herald (shudder). Either way though, the research supporting reduced fatalities is real, I've seen local research on individual intersections in various cities across the US with similar results. It makes sense, given that the intersection configuration eliminates the possibility of the dangerous high-speed right angle crashes. Any crashes are likely to either be rear-end or low angle, i.e. sideswipe crashes, where injuries are less likely.
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