{"city":"New York","year":"1980","time":33.7}
{"city":"Washington","year":"1980","time":27.2}
{"city":"Houston","year":"1980","time":25.9}
{"city":"Chicago","year":"1980","time":26.3}
{"city":"Los Angeles","year":"1980","time":23.6}
{"city":"Atlanta","year":"1980","time":24.9}
{"city":"Baltimore","year":"1980","time":25.3}
{"city":"San Francisco","year":"1980","time":23.9}
{"city":"New Orleans","year":"1980","time":24.5}
{"city":"Seattle","year":"1980","time":22.8}
{"city":"Boston","year":"1980","time":23.4}
{"city":"Dallas","year":"1980","time":22.4}
{"city":"Miami","year":"1980","time":22.6}
{"city":"Philadelphia","year":"1980","time":24}
{"city":"Detroit","year":"1980","time":22.5}
{"city":"St. Louis","year":"1980","time":22.6}
{"city":"Phoenix","year":"1980","time":21.6}
{"city":"Orlando","year":"1980","time":20.3}
{"city":"Pittsburgh","year":"1980","time":22.8}
{"city":"Denver","year":"1980","time":22}
{"city":"San Diego","year":"1980","time":19.5}
{"city":"Cincinnati","year":"1980","time":21.8}
{"city":"Cleveland","year":"1980","time":21.6}
{"city":"San Antonio","year":"1980","time":20.2}
{"city":"Indianapolis","year":"1980","time":20.8}
{"city":"Sacramento","year":"1980","time":19.5}
{"city":"Tampa","year":"1980","time":20.2}
{"city":"Portland","year":"1980","time":21.4}
{"city":"Charlotte","year":"1980","time":19.9}
{"city":"Norfolk","year":"1980","time":21}
{"city":"Kansas City","year":"1980","time":20.7}
{"city":"Minneapolis","year":"1980","time":20.1}
{"city":"Columbus","year":"1980","time":20.1}
{"city":"Hartford","year":"1980","time":20.1}
{"city":"Milwaukee","year":"1980","time":18.8}
{"city":"Salt Lake City","year":"1980","time":20.2}
{"city":"Rochester","year":"1980","time":19.3}
{"city":"Providence","year":"1980","time":18.3}
{"city":"Buffalo","year":"1980","time":19.3}
{"city":"New York","year":"1990","time":31.1}
{"city":"Washington","year":"1990","time":29.5}
{"city":"Houston","year":"1990","time":29.5}
{"city":"Chicago","year":"1990","time":28.1}
{"city":"Los Angeles","year":"1990","time":26.4}
{"city":"Atlanta","year":"1990","time":26}
{"city":"Baltimore","year":"1990","time":26}
{"city":"San Francisco","year":"1990","time":25.6}
{"city":"New Orleans","year":"1990","time":24.4}
{"city":"Seattle","year":"1990","time":24.3}
{"city":"Boston","year":"1990","time":24.2}
{"city":"Dallas","year":"1990","time":24.1}
{"city":"Miami","year":"1990","time":24.1}
{"city":"Philadelphia","year":"1990","time":24.1}
{"city":"Detroit","year":"1990","time":23.4}
{"city":"St. Louis","year":"1990","time":23.1}
{"city":"Phoenix","year":"1990","time":23}
{"city":"Orlando","year":"1990","time":22.9}
{"city":"Pittsburgh","year":"1990","time":22.6}
{"city":"Denver","year":"1990","time":22.4}
{"city":"San Diego","year":"1990","time":22.2}
{"city":"Cincinnati","year":"1990","time":22.1}
{"city":"Cleveland","year":"1990","time":22}
{"city":"San Antonio","year":"1990","time":21.9}
{"city":"Indianapolis","year":"1990","time":21.9}
{"city":"Sacramento","year":"1990","time":21.8}
{"city":"Tampa","year":"1990","time":21.8}
{"city":"Portland","year":"1990","time":21.7}
{"city":"Charlotte","year":"1990","time":21.6}
{"city":"Norfolk","year":"1990","time":21.6}
{"city":"Kansas City","year":"1990","time":21.4}
{"city":"Minneapolis","year":"1990","time":21.1}
{"city":"Columbus","year":"1990","time":21.2}
{"city":"Hartford","year":"1990","time":20.6}
{"city":"Milwaukee","year":"1990","time":20}
{"city":"Salt Lake City","year":"1990","time":19.8}
{"city":"Rochester","year":"1990","time":19.7}
{"city":"Providence","year":"1990","time":19.6}
{"city":"Buffalo","year":"1990","time":19.4}