Lecture4 - Using Passenger Transportation Systems...

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Unformatted text preview: Using Passenger Transportation Systems Understanding the People Context Much of what has happened to the transit industry is explained by what has occurred in urban America Population Employment Trips/Capita Persons/Household Person Miles Traveled Person Trip Length Households by Vehicles Licenses Mode Use Auto Occupancy Vehicle Trip Length Vehicle Miles of Travel Available Male Female Male Female Male Female Suburb Central City Suburb Central City Other Auto 2 3 1 Vehicle costs 20 40 60 80 100 120 140 160 1950 1960 1970 1980 1990 2000 Population (millions) Suburbs Central City Nonmetro Area Population Growth by Community Type, 1950 to 2000 20 40 60 80 100 120 1960 1970 1980 1990 2000 Households (000,000's) 2 2.2 2.4 2.6 2.8 3 3.2 3.4 Persons in Household Household Household Size Change in Household Characteristics 1960 to 2000 5 10 15 20 25 30 35 40 45 1960 1970 1980 1990 2000 Households (millions) 1 2 3+ Change in Household Vehicle Ownership 1960 to 2000 Percent Drivers License by Age Cohort and Gender 5 10 15 20 25 30 White/non- Hispanic Black Hispanic Asian American Indian All Percent of Households % Zero-Vehicle Households Zero-Vehicle Households by Ethnicity 2000 0.5 1 1.5 2 2.5 1978 Person Trips Per Capita Work School/church Family/Personal Business Social/Recreation Other 1978 1984 1990 1995 2001 Change in Person Trips Per Capita by Purpose, 1978 to 2001 8.54 12.1 11.63 10.65 10.03 9.13 9.47 8.68 2 4 6 8 10 12 14 Miles Work All Purposes 1980 1985 1990 1995 2000 2005 Change in Average Commute Distance in Miles 1985 to 2001 20 40 60 80 100 120 140 Percent Increase Persons Households Drivers Person Miles Traveled Person Trips Vehicle Trips Vehicle Miles Traveled Vehicles Socio-economic characteristics of the consumer drive travel demand Lets look at some data 1960 1970 1980 1990 2000 Compounded Annual Rate of Change Average Household Size 3.33 3.14 2.94 2.63 2.62-0.63% Single vs Multiple Person Households 1 person 2+ persons 13% 87% 17% 83% 23% 77% 25% 75% 26% 74% 1.8%-0.43% Workers per household 1 2+ 9% 53% 37% 12% 45% 43% 13% 33%...
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Lecture4 - Using Passenger Transportation Systems...

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