Data Dictionary: ACS 2009 -- 2011 (3-Year Estimates)
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Data Source: U.S. Census Bureau
Table: B08133. Aggregate Travel Time To Work (In Minutes) Of Workers By Time Leaving Home To Go To Work [15]
Universe: Universe: Workers 16 years and over who did not work at home
Table Details
B08133. Aggregate Travel Time To Work (In Minutes) Of Workers By Time Leaving Home To Go To Work
Universe: Universe: Workers 16 years and over who did not work at home
Relevant Documentation:
Aggregate Travel Time to Work (in Minutes)
Aggregate travel time to work is calculated by adding all of the travel times (in minutes) for workers who did not work at home. Aggregate travel times of workers having specific characteristics also are computed. The aggregate travel time is subject to rounding, which means that all cells in a matrix are rounded to the nearest 5 minutes. (For more information, see "Aggregate" under "Derived Measures.")

Time Leaving Home to Go to Work
The data on time leaving home to go to work were derived from answers to Question 33. This question was asked of people who indicated in Question 29 that they worked at some time during the reference week, and who reported in Question 31 that they worked outside their home. The departure time refers to the time of day that the respondent usually left home to go to work during the reference week. (See "Reference Week.")