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November/December 1997, p.8 Flow versus slow
In NYC, the almighty god of traffic flow has been knocked down a half-a-peg. However, given the Olympian heights the deity of car firstism inhabits, it will take an unambiguous statement by the Mayor or Transportation Commissioner to create some balance between car and the pedestrians, cyclists and neighborhoods treated as second-class citizens by City traffic planners. While speed humps and traffic
calming are part of the everyday vocabulary of NYC communities and elected
officials, they still remain very much the exception. Even the heralded speed
hump program remains a tiny part of the DOT's overall work. On the 6,000 miles
of NYC streets, only about 70 humps have been installed; and maybe
(generously) another 200 locations have under-gone some kind of
traffic-calming or This amounts to an average of some kind of traffic calming for every 30 miles of road, not including any of the heaviest pedestrian precincts in the city (like any Manhattan avenue south of 96th Street). The absence of an unambiguous
city policy to put pedestrian and community needs on par with traffic flow has
caused conservative, often misinformed, traffic engineers to stymie the
wide-spread use of traffic calming. In this land of the ad hoc and
inconsistent, some innovations have slipped through, such as the "Urban
Oasis."
Sidewalk extensions, or "neck-downs," are a crucial tool for improving conditions for pedestrians. They shorten crossing distances and prevent cars from turning sharply into crosswalks. Unfortunately, retrofitting street corners with neckdowns requires prohibitively costly drainage and curb work. Sidewalk extensions also are scarce because they permanently reduce car-carrying capacity, which gives heartburn to NYC traffic engineers. The good news is that the NYC
DOT "Urban Mobility" group has devised To request an Urban Oasis at a high pedestrian location near you, call/write your local city councilmember or call the DOT Urban Mobility Program at (212) 442-7658. The missing mini-traffic circles
In the summer of 1996, DOT finally began studying the feasibility of mini-traffic circles. A test site was slated for installation in July 1997, but as of October nothing has been done. Although the community is supportive and the City has Federal funds that can be applied to the project, yet the project seems to have fallen into a black hole. There are two likely reasons for the delay. Mini-traffic circles affect a street's car-carrying capacity-the Holy Grail of traffic engineers. Secondly, there are no clear traffic-calming standards within DOT to help comfort traffic engineers treading on unfamiliar ground. DOT Commissioner Lynn could
easily solve both issues. He is characterized as an "innovator" and
capable of breaking up the tightest of logjams. However without Lynn's
leadership, many good traffic-calming projects will die on the Write Lynn and ask him to approve mini-traffic circle construction and to issue a clear, public policy for the use of traffic-calming methods. The public has had it with the backroom, random nature of decisions surrounding traffic-calming innovations. Christopher Lynn
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