"I notice when I am riding that I run a lot of red lights," the 6-foot-2 Paul Steely White shouted over his shoulder. "The way I think of it, it is more important to watch out for pedestrians than lights, because there are a lot of jaywalkers in New York." Mr. White, the executive director of Transportation Alternatives, a pedestrian and bike advocacy group, was loping down Mott Street in Soho in a cold January drizzle on a single-speed 1971 Schwinn, weaving in between cars trying to find their way onto the Williamsburg Bridge--a bakery van pulling suddenly over to the curb, a truck snorting forth. The 36-year-old Mr. White was on his way to a community-board meeting in Park Slope to ask its support for Intro 199, a City Council bill that would require the city to track traffic patterns around New York and set goals for reducing auto use. It is, he explained, a necessary step toward any sort of congestion pricing--the system, devised in London, whereby drivers would pay for the privilege of driving into the central business districts of New York City. (The fee wouldn't be collected at booths like tolls, but rather