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NHTS Data Dictionary

-Table C1 and C2

TABLE C1. DESCRIPTION OF SAS FILE (N= 73,057)

VariableDescriptionFormulaLengthData Type
geoid11-digit FIP identifier (state + county + tract)2010 Census definitions11Character
clusterCensus Region/ DivisionCensus Regions and Divisions combined to form sample of sufficient size. See Table C2 for a list of states in each category.8Numeric
1=Northeast;
2=Midwest;
3=South Atlantic;
4=East South Central and West South Central;
5=Mountain;
6=Pacific
urban_groupLevel of urbanicityCalculated from population density centile and presence (or absence) in an urban area8Numeric
1=urban;
2=suburban;
3=rural
est_pmiles2007_11Person MilesEstimated from model using 2007-2011 American Community Survey 5-year estimate tract data8Numeric
est_ptrp2007_11Person TripsEstimated from model using 2007-2011 American Community Survey 5-year estimate tract data8Numeric
est_vmiles2007_11Vehicle MilesEstimated from model using 2007-2011 American Community Survey 5-year estimate tract data8Numeric
est_vtrp2007_11Vehicle TripsEstimated from model using 2007-2011 American Community Survey 5-year estimate tract data8Numeric
median_hh_inc2007_11Household IncomeB19013e18Numeric
mean_hh_veh2007_11Count of Household VehiclesB25046e1 / B11005e18Numeric
 
mean_hh_mem2007_11Count of Household MembersB11002e1 / B11005e18Numeric
pct_owner2007_11Homeowner (Percent)B25009e2 / B11005e1*1008Numeric
mean_hh_worker2007_11Number of WorkersB08137e1 / B11005e18Numeric
pct_lhcd2007_11Life Cycle (1+ child <18) (Percent)B11005e2 / B11005e1*1008Numeric
pct_lhd12007_11Life Cycle ( 1 person household, <65) (Percent)B11007e8 / B11005e1*1008Numeric
pct_lhd22007_11Life Cycle (2+ person household, 0 65+) (Percent)B11007e9 / B11005e1*1008Numeric
pct_lhd42007_11Life Cycle (2+ person household, 1+ 65+) (Percent)B11007e4 / B11005e1*1008Numeric
ptrp_1mem_0vehPerson trips assuming 1 person household with 0 vehicles availableEstimated from model using value of 1 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_1mem_1vehPerson trips assuming 1 person household with 1 vehicle availableEstimated from model using value of 1 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_1mem_2vehPerson trips assuming 1 person household with 2 vehicles availableEstimated from model using value of 1 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_1mem_3vehPerson trips assuming 1 person household with 3 vehicles availableEstimated from model using value of 1 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_1mem_4vehPerson trips assuming 1 person household with 4 or more vehicles availableEstimated from model using value of 1 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_2mem_0vehPerson trips assuming 2 person household with 0 vehicles availableEstimated from model using value of 2 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_2mem_1vehPerson trips assuming 2 person household with 1 vehicle availableEstimated from model using value of 2 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_2mem_2vehPerson trips assuming 2 person household with 2 vehicles availableEstimated from model using value of 2 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_2mem_3vehPerson trips assuming 2 person household with 3 vehicles availableEstimated from model using value of 2 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_2mem_4vehPerson trips assuming 2 person household with 4 or more vehicles availableEstimated from model using value of 2 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_3mem_0vehPerson trips assuming 3 person household with 0 vehicles availableEstimated from model using value of 3 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_3mem_1vehPerson trips assuming 3 person household with 1 vehicle availableEstimated from model using value of 3 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_3mem_2vehPerson trips assuming 3 person household with 2 vehicles availableEstimated from model using value of 3 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_3mem_3vehPerson trips assuming 3 person household with 3 vehicles availableEstimated from model using value of 3 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_3mem_4vehPerson trips assuming 3 person household with 4 or more vehicles availableEstimated from model using value of 3 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_4mem_0vehPerson trips assuming 4 person household with 0 vehicles availableEstimated from model using value of 4 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_4mem_1vehPerson trips assuming 4 person household with 1 vehicle availableEstimated from model using value of 4 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_4mem_2vehPerson trips assuming 4 person household with 2 vehicles availableEstimated from model using value of 4 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_4mem_3vehPerson trips assuming 4 person household with 3 vehicles availableEstimated from model using value of 4 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_4mem_4vehPerson trips assuming 4 person household with 4 or more vehicles availableEstimated from model using value of 4 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_5mem_0vehPerson trips assuming household with 5 or more persons and with 0 vehicles availableEstimated from model using value of 5 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_5mem_1vehPerson trips assuming household with 5 or more persons and with 1 vehicle availableEstimated from model using value of 5 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_5mem_2vehPerson trips assuming household with 5 or more persons and with 2 vehicles availableEstimated from model using value of 5 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_5mem_3vehPerson trips assuming household with 5 or more persons and with 3 vehicles availableEstimated from model using value of 5 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
ptrp_5mem_4vehPerson trips assuming household with 5 or more persons and with 4 or more vehicles availableEstimated from model using value of 5 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_1mem_0vehPerson miles assuming 1 person household with 0 vehicles availableEstimated from model using value of 1 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_1mem_1vehPerson miles assuming 1 person household with 1 vehicle availableEstimated from model using value of 1 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_1mem_2vehPerson miles assuming 1 person household with 2 vehicles availableEstimated from model using value of 1 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_1mem_3vehPerson miles assuming 1 person household with 3 vehicles availableEstimated from model using value of 1 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_1mem_4vehPerson miles assuming 1 person household with 4 or more vehicles availableEstimated from model using value of 1 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_2mem_0vehPerson miles assuming 2 person household with 0 vehicles availableEstimated from model using value of 2 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_2mem_1vehPerson miles assuming 2 person household with 1 vehicle availableEstimated from model using value of 2 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_2mem_2vehPerson miles assuming 2 person household with 2 vehicles availableEstimated from model using value of 2 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_2mem_3vehPerson miles assuming 2 person household with 3 vehicles availableEstimated from model using value of 2 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_2mem_4vehPerson miles assuming 2 person household with 4 or more vehicles availableEstimated from model using value of 2 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_3mem_0vehPerson miles assuming 3 person household with 0 vehicles availableEstimated from model using value of 3 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_3mem_1vehPerson miles assuming 3 person household with 1 vehicle availableEstimated from model using value of 3 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_3mem_2vehPerson miles assuming 3 person household with 2 vehicles availableEstimated from model using value of 3 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_3mem_3vehPerson miles assuming 3 person household with 3 vehicles availableEstimated from model using value of 3 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_3mem_4vehPerson miles assuming 3 person household with 4 or more vehicles availableEstimated from model using value of 3 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_4mem_0vehPerson miles assuming 4 person household with 0 vehicles availableEstimated from model using value of 4 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_4mem_1vehPerson miles assuming 4 person household with 1 vehicle availableEstimated from model using value of 4 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_4mem_2vehPerson miles assuming 4 person household with 2 vehicles availableEstimated from model using value of 4 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_4mem_3vehPerson miles assuming 4 person household with 3 vehicles availableEstimated from model using value of 4 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_4mem_4vehPerson miles assuming 4 person household with 4 or more vehicles availableEstimated from model using value of 4 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_5mem_0vehPerson miles assuming household with 5 or more persons and with 0 vehicles availableEstimated from model using value of 5 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_5mem_1vehPerson miles assuming household with 5 or more persons and with 1 vehicle availableEstimated from model using value of 5 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_5mem_2vehPerson miles assuming household with 5 or more persons and with 2 vehicles availableEstimated from model using value of 5 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_5mem_3vehPerson miles assuming household with 5 or more persons and with 3 vehicles availableEstimated from model using value of 5 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
pmiles_5mem_4vehPerson miles assuming household with 5 or more persons and with 4 or more vehicles availableEstimated from model using value of 5 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_1mem_0vehVehicle trips assuming 1 person household with 0 vehicles availableEstimated from model using value of 1 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_1mem_1vehVehicle trips assuming 1 person household with 1 vehicle availableEstimated from model using value of 1 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_1mem_2vehVehicle trips assuming 1 person household with 2 vehicles availableEstimated from model using value of 1 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_1mem_3vehVehicle trips assuming 1 person household with 3 vehicles availableEstimated from model using value of 1 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_1mem_4vehVehicle trips assuming 1 person household with 4 or more vehicles availableEstimated from model using value of 1 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_2mem_0vehVehicle trips assuming 2 person household with 0 vehicles availableEstimated from model using value of 2 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_2mem_1vehVehicle trips assuming 2 person household with 1 vehicle availableEstimated from model using value of 2 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_2mem_2vehVehicle trips assuming 2 person household with 2 vehicles availableEstimated from model using value of 2 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_2mem_3vehVehicle trips assuming 2 person household with 3 vehicles availableEstimated from model using value of 2 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_2mem_4vehVehicle trips assuming 2 person household with 4 or more vehicles availableEstimated from model using value of 2 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_3mem_0vehVehicle trips assuming 3 person household with 0 vehicles availableEstimated from model using value of 3 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_3mem_1vehVehicle trips assuming 3 person household with 1 vehicle availableEstimated from model using value of 3 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_3mem_2vehVehicle trips assuming 3 person household with 2 vehicles availableEstimated from model using value of 3 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_3mem_3vehVehicle trips assuming 3 person household with 3 vehicles availableEstimated from model using value of 3 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_3mem_4vehVehicle trips assuming 3 person household with 4 or more vehicles availableEstimated from model using value of 3 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_4mem_0vehVehicle trips assuming 4 person household with 0 vehicles availableEstimated from model using value of 4 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_4mem_1vehVehicle trips assuming 4 person household with 1 vehicle availableEstimated from model using value of 4 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_4mem_2vehVehicle trips assuming 4 person household with 2 vehicles availableEstimated from model using value of 4 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_4mem_3vehVehicle trips assuming 4 person household with 3 vehicles availableEstimated from model using value of 4 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_4mem_4vehVehicle trips assuming 4 person household with 4 or more vehicles availableEstimated from model using value of 4 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_5mem_0vehVehicle trips assuming household with 5 or more persons and with 0 vehicles availableEstimated from model using value of 5 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_5mem_1vehVehicle trips assuming household with 5 or more persons and with 1 vehicle availableEstimated from model using value of 5 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_5mem_2vehVehicle trips assuming household with 5 or more persons and with 2 vehicles availableEstimated from model using value of 5 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_5mem_3vehVehicle trips assuming household with 5 or more persons and with 3 vehicles availableEstimated from model using value of 5 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vtrp_5mem_4vehVehicle trips assuming household with 5 or more persons and with 4 or more vehicles availableEstimated from model using value of 5 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_1mem_0vehVehicle miles assuming 1 person household with 0 vehicles availableEstimated from model using value of 1 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_1mem_1vehVehicle miles assuming 1 person household with 1 vehicle availableEstimated from model using value of 1 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_1mem_2vehVehicle miles assuming 1 person household with 2 vehicles availableEstimated from model using value of 1 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_1mem_3vehVehicle miles assuming 1 person household with 3 vehicles availableEstimated from model using value of 1 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_1mem_4vehVehicle miles assuming 1 person household with 4 or more vehicles availableEstimated from model using value of 1 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_2mem_0vehVehicle miles assuming 2 person household with 0 vehicles availableEstimated from model using value of 2 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_2mem_1vehVehicle miles assuming 2 person household with 1 vehicle availableEstimated from model using value of 2 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_2mem_2vehVehicle miles assuming 2 person household with 2 vehicles availableEstimated from model using value of 2 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_2mem_3vehVehicle miles assuming 2 person household with 3 vehicles availableEstimated from model using value of 2 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_2mem_4vehVehicle miles assuming 2 person household with 4 or more vehicles availableEstimated from model using value of 2 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_3mem_0vehVehicle miles assuming 3 person household with 0 vehicles availableEstimated from model using value of 3 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_3mem_1vehVehicle miles assuming 3 person household with 1 vehicle availableEstimated from model using value of 3 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_3mem_2vehVehicle miles assuming 3 person household with 2 vehicles availableEstimated from model using value of 3 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_3mem_3vehVehicle miles assuming 3 person household with 3 vehicles availableEstimated from model using value of 3 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_3mem_4vehVehicle miles assuming 3 person household with 4 or more vehicles availableEstimated from model using value of 3 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_4mem_0vehVehicle miles assuming 4 person household with 0 vehicles availableEstimated from model using value of 4 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_4mem_1vehVehicle miles assuming 4 person household with 1 vehicle availableEstimated from model using value of 4 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_4mem_2vehVehicle miles assuming 4 person household with 2 vehicles availableEstimated from model using value of 4 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_4mem_3vehVehicle miles assuming 4 person household with 3 vehicles availableEstimated from model using value of 4 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_4mem_4vehVehicle miles assuming 4 person household with 4 or more vehicles availableEstimated from model using value of 4 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_5mem_0vehVehicle miles assuming household with 5 or more persons and with 0 vehicles availableEstimated from model using value of 5 for household size, 0 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_5mem_1vehVehicle miles assuming household with 5 or more persons and with 1 vehicle availableEstimated from model using value of 5 for household size, 1 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_5mem_2vehVehicle miles assuming household with 5 or more persons and with 2 vehicles availableEstimated from model using value of 5 for household size, 2 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_5mem_3vehVehicle miles assuming household with 5 or more persons and with 3 vehicles availableEstimated from model using value of 5 for household size, 3 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric
vmiles_5mem_4vehVehicle miles assuming household with 5 or more persons and with 4 or more vehicles availableEstimated from model using value of 5 for household size, 4 for vehicles available, and 2007-2011 American Community Survey 5-year estimate tract data for all other model parameters8Numeric

NOTE: There are 318 Census Tracts that were not assigned to a Census Region/Division or urban group. These are Census tracts with no land area. All data rounded to 2 decimal places. Household income; the count of household vehicles, household members, and workers; homeownership; and life cycle data pulled from the 2007-2011 American Community Survey 5-Year Estimates. Formula indicates the table number + 'e' + line number of data in summary flat files http://www2.census.gov/acs2011_5yr/summaryfile/(link is external)

TABLE C2. CLUSTERS FORMED FROM CENSUS REGIONS/DIVISIONS BY STATE

ClusterCluster NameState FIPCensus Region/Division with State Names
1Northeast Northeast Region
 New England Division
9Connecticut
23Maine
25Massachusetts
33New Hampshire
44Rhode Island
50Vermont
 Middle Atlantic Division
34New Jersey
36New York
42Pennsylvania
2Midwest Midwest Region
 East North Central Division
17Illinois
18Indiana
26Michigan
39Ohio
55Wisconsin
 West North Central Division
19Iowa
20Kansas
27Minnesota
29Missouri
31Nebraska
38North Dakota
46South Dakota
3South Atlantic South Region
 South Atlantic Division
10Delaware
11District of Columbia
12Florida
13Georgia
24Maryland
37North Carolina
45South Carolina
51Virginia
54West Virginia
4East South Central and West South Central East South Central Division
1Alabama
21Kentucky
28Mississippi
47Tennessee
 West South Central Division
5Arkansas
22Louisiana
40Oklahoma
48Texas
5West West Region
 Mountain Division
4Arizona
8Colorado
16Idaho
30Montana
32Nevada
35New Mexico
49Utah
56Wyoming
6Pacific Pacific Division
2Alaska
6California
15Hawaii
41Oregon
53Washington
Updated: Wednesday, May 31, 2017