Table 1: Observed work trips of households with one worker1.

Number of Trips Number of Records Expanded Number of Records Number of Trips
0 150 28,564 0
1 137 23,916 23,916
2 239 45,724 91,448
3 5 1,216 3,648
4 10 1,481 5,924
5 1 142 710
Sum: 101,043 125,646
Average Trip Rate: 1.24