Mind-blowing article about the European and Chinese challenges to the received wisdom on traffic planning and calming, arguing that the separation of peds and cars leads to less-safe streets:
"The more you post the evidence of legislative control, such as traffic signs, the less the driver is trying to use his or her own senses," says Hamilton-Baillie, noting he has a habit of walking randomly across roads — much to his wife's consternation. "So the less you can advertise the presence of the state in terms of authority, the more effective this approach can be." This, of course, is the exact opposite of the "Triple E" traffic-calming approach, which seeks to control the driver through the use of speed bumps, photo radar, crosswalks and other engineering and enforcement mechanisms.
The "self-reading street" has its roots in the Dutch "woonerf" design principles that emerged in the 1970s. Blurring the boundary between street and sidewalk, woonerfs combine innovative paving, landscaping and other urban designs to allow for the integration of multiple functions in a single street, so that pedestrians, cyclists and children playing share the road with slow-moving cars. The pilot projects were so successful in fostering better urban environments that the ideas spread rapidly to Belgium, France, Denmark and Germany. In 1998, the British government adopted a "Home Zones" initiative — the woonerf equivalent — as part of its national transportation policy.
"What the early woonerf principles realized," says Hamilton-Baillie, "was that there was a two-way interaction between people and traffic. It was a vicious or, rather, a virtuous circle: The busier the streets are, the safer they become. So once you drive people off the street, they become less safe."
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(via Kottke)
