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Data Dictionary: Census 1990 on 2010 Geographies
you are here: choose a survey survey data set table variable details
Data Source: Social Explorer; U.S. Census Bureau
Universe: Workers 16 years and over
Variable Details
T79. Travel Time To Work
Universe: Workers 16 years and over
T079_007 40 to 59 minutes
Percent base:
Workers 16 years and over (SE:T079_001)
Aggregation method:
Addition
Formula used to compute this variable:
Return_Value = RC1990SF3:RC1990SF3_006_P050_011 + RC1990SF3:RC1990SF3_006_P050_012
Variables used in the formula:
RC1990SF3:RC1990SF3_006_P050_011
Workers 16 years and over: Did not work at home: 40 to 44 minutes
RC1990SF3:RC1990SF3_006_P050_012
Workers 16 years and over: Did not work at home: 45 to 59 minutes
Relevant Documentation:
Excerpt from: Social Explorer, U.S. Census Bureau; Census of Population and Housing, 1990: Summary Tape File 3 on CD-ROM [machine-readable data files] / prepared by the Bureau of the Census. Washington: The Bureau [producer and distributor], 1991.
  Summary Tape File 3 -> Appendix B. Definitions of Subject Characteristics -> Population Characteristics -> Journey to Work -> Travel Time to Work
Travel Time to Work
The data on travel time to work were derived from answers to questionnaire item 24b. This question was asked of persons who indicated in question 21 that they worked at some time during the reference week and who reported in question 23a that they worked outside their home. Travel time to work refers to the total number of minutes that it usually took the person to get from home to work during the reference week. The elapsed time includes time spent waiting for public transportation, picking up passengers in carpools, and time spent in other activities related to getting to work. (For more information, see discussion under "Reference Week.")