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Table 2. ORNL Regression Coefficients for PMT and VMT

Friday, November 22, 2024

Return to all tables and figures in the Bureau of Transportation Statistics’ 2009 Local Area Transportation Characteristics by Household methodology

Table 2. ORNL Regression Coefficients for PMT and VMT

  Extreme Poverty Mega-Urban Suburban Urban Rural
Total Daily Person Miles of Travel per Household          
Household Size + + + + +
No. of Vehicles in Household + + + + +
Life Cycle (2+ A, 1+ C)* +     +  
Life Cycle (1A, 0C)         +
Household Buying Power     +    
Census division (East North Central) +        
Home Ownership   +      
R-SQUARED 0.2125 0.1593 0.0934 0.1201 0.1204
Total Daily Vehicle Miles of Travel per Household          
Household Size - + + + +
No. of Vehicles in Household + + + + +
ACCRA Cost of Transportation Index -        
No. of Workers +        
Life Cycle (2+ A/1+ C; 1A/1C)* +        
Life Cycle (2+ A, Retired)   -      
Census Region (Midwest) +        
Census Region (South)         +
MSA size (250-499,000) +        
Household Buying Power     + +  
Home Ownership   +      
R-SQUARED 0.2622 0.2051 0.1028 0.1185 0.0994

*2+ A, 1+ C denotes households with two or more adults and one or more children

1A, 1+ C denotes households with one adult and more than one child

1A, 0C denotes households with one adult and no children

Source: Hu et al. 2007, Table 13. Significant Independent Variables for to Estimating Household PMT and VMT