Data compiled from NYC DoT report, Improving Manhattan Traffic and Air Quality Conditions — Effectiveness of Bicycle Programs, Sept. 1990. Percentages denote respondents who would bike to work if “bicycle lanes were painted on the street, you could bring your bicycle into the building that you work in, and facilities to shower and change clothes were provided at work.”

DoT distributed 22,700 survey questionnaires to 12 Manhattan business firms (2,000 per firm, except 700 to one smaller firm) participating in the agency's Project SMART (Strategies for Mobility and Reduction of Traffic). While the 2,280 completed responses indicate a nominal 10% response rate, the effective response rate is higher insofar as not all employees necessarily received survey forms. DoT wisely omitted any mention of bicycles from the survey heading, to avoid biasing responses toward bicycle enthusiasts.

Survey is summarized in DoT report, although responses are not broken out by distance. For breakout as above, see Nov. 29, 1990 letter from Transportation Alternatives to DoT Assistant Commissioner Gerard Soffian, and confirmatory response dated Jan. 3, 1991. See also “Commuters to DoT: We're Ready When You Are,” City Cyclist, Jan/Feb 1991, p. 3.