This data set compares 1990, 2000, 2006 - 2010, and 2012 - 2016 Journey to Work data, outlining the modes of commuting for the Workforce in the City of Cambridge, regardless of home location. The data set originates from three sources: 1990 Journey to Work data supplied to the Massachusetts Central Transportation Planning Staff by the Census Bureau, a special tabulation of 2000 Decennial Census data - the 2000 Census Transportation Planning Products (CTPP), and the most recent versions of the CTPP compiled from the American Community Survey. The Cambridge Workforce consists of all persons who work in Cambridge, regardless of place of residence.