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Figure 3 Distributions of Basic Mobility Variables in the United States

Figure 3
Distributions of Basic Mobility Variables in the United States

a: Travel Time
Figure showing daily travel times for percent shares of the U.S. population
Daily travel time, minutes

b: Travel Money Expeniture Shares
Figure showing travel money expenditures for percent shares of U.S. households
Travel money expenditures, percent of total expenditures

c: Trip Rate
Figure showing number of trips per capita per day for percent shares of the U.S. population
Number of trips per capita per day

d: Trip Distance
Figure showing mean trip distance for percent shares of all U.S. trips
Mean trip distance, miles

Sources: Research Triangle Institute (1997) for travel time, trip rate, and trip distance; Nelson (1994) for travel money expenditures