Berkeley: Filtered Permeability Pioneer?

Since the mid-1960s, when the first traffic diverters were installed to protect the area around San Pablo Park, residents and pundits alike have dissed the concrete bollards that dot many of Berkeley’s neighborhoods. Drivers who find themselves redirected in concentric circles around their intended destination question the sanity of the traffic engineers responsible for their deployment. Neighbors living near the bollards say they’re unsightly and detract from the beauty of the neighborhood. In the mid-1970s, opponents successfully placed two separate initiatives on the ballot to have the bollards removed. Both measures failed. Lawsuits were later filed to remove the bollards, alleging they didn’t conform to CalTrans standards. The state legislature subsequently legalized all such diversion techniques.

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