In the end the resistance that she and the city have encountered has to do mostly with parochialism and selfishness. Some New Yorkers seem offended by the notion that we should be more like such biking havens as Copenhagen, Paris, or for that matter, Portland, Ore.: life here is too urgent and blunt and brutal for such crunchy-granola niceties. Besides which, no one wants to give an inch, literally: not the Prospect Park West gripers who lost parking spaces to the bike lane, not the drivers of delivery trucks whose jobs are sometimes complicated by such lanes, not the Manhattan traditionalists who feel that sharing just a few of Central Park’s transverse paths with cyclists — as the city decided in July they must do — requires too much in the way of vigilance from people ambling among the trees. The complaints were loud and passionate.

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NYT op ed Bicycle Visionary

And misleading. Several polls have shown that a majority of New Yorkers favor the creation of bike lanes, at least in the abstract. The problem is that it’s a relatively soft, quiet support, reflecting the limited use of those lanes. According to Department of Transportation figures, about 15,500 cyclists daily entered Manhattan’s central business district between Battery Park and 59th Street in 2009, the most recent year for which statistics are available. That’s in contrast to 762,000 cars.

But ridership is definitely growing. A decade earlier, only 4,700 cyclists entered that part of Manhattan. And over the last 20 or so years, the percentage of New Yorkers who use cycling to commute has doubled, to 0.6 percent in 2009 from 0.3 percent in 1990, according to an analysis of census figures by John Pucher, a Rutgers University professor who studies bicycle trends worldwide. That still leaves New York behind Chicago, with 1.2 percent of commuters on bikes; Washington, D.C., with 2.2 percent; San Francisco, with 3 percent; and Portland, with 5.8 percent.

WHAT’S keeping more cyclists in New York from doing so? “The indifference of the New York City Police Department is the biggest obstacle,” said Charles Komanoff, a mathematical economist and past president of Transportation Alternatives. He and other cycling advocates said that police officers too seldom ticket drivers who ignore cyclists’ rights, particularly by treating biking lanes as temporary parking spots and thus forcing bike riders to swerve into and out of traffic. As prevalent as such lane-obstruction is, I’ve noticed more news reports on cyclists blowing through red lights, and I’ve found myself envying, of all places, the Lithuanian capital of Vilnius. Its mayor recently deployed a tank to crush a Mercedes-Benz illegally parked in a bike lane.

Without going quite that far, our city’s police officers must do more. And the transportation department must expand markedly the number of bike racks citywide — the official city count is about 12,800 — so that riders can rest assured that they’ll find a safe place to stow their bicycles. Pucher is the co-author of “City Cycling,” a forthcoming book, which notes that Paris has about 1,490 bike parking spaces — slots in racks, for example — per 100,000 people, London about 1,670 and Tokyo about 6,400. And New York? About 152. “It’s lousy, lousy, lousy,” Pucher said.