Laserfiche WebLink
• <br />• <br />• <br />Indian River County 1 Impact Fee Update Study <br />household income levels. In addition the 2011 AHS database was used to compare median <br />annual family/household incomes with housing unit size. It is important to recognize that <br />the use of the income variable in each of these databases is completed simply to provide a <br />convenient linking mechanism between household VMT from the NHTS and housing unit <br />size from the AHS. <br />Table B-2 <br />Calculated Single Family Trip Characteristics <br />Source: FL Studies for LUC 210, shown later in thisappendix <br />WCes <br />The results of the NHTS and AHS analyses areeuincluded in Tables B-3 nd B-4. First, the data <br />shown in Table B-3 indicates that the average income in the U.S. for families/households <br />living in housing units between 1,500 and 2,499quare.feet in size ($63) is slightly <br />lower than the overall average income for the U.S ($62,831). Then, in Table B-4, annual <br />average household VMT was calculated from the NHTS'database for a number of different <br />-,ert9 <br />income levels and raged related to the resultingiAHS income'data in Table B-3. <br />CalculateSingle FamilyyTrip Characteristics <br />2011 AHS Average Income <br />Data by Housing Size <br />Annual <br />Income') <br />Lessfhan <br />Calculated Values <br />Excluding Tiering <br />Trip Rate <br />Assessable <br />Trip Length <br />Daily VMT <br />Ratio to <br />Mean <br />Single Family (Detached) <br />7.811 <br />6 <br />$62,831 <br />h,, 51.70 <br />1.00 <br />24,181 <br />365 <br />66.25 <br />1.000 <br />Source: FL Studies for LUC 210, shown later in thisappendix <br />WCes <br />The results of the NHTS and AHS analyses areeuincluded in Tables B-3 nd B-4. First, the data <br />shown in Table B-3 indicates that the average income in the U.S. for families/households <br />living in housing units between 1,500 and 2,499quare.feet in size ($63) is slightly <br />lower than the overall average income for the U.S ($62,831). Then, in Table B-4, annual <br />average household VMT was calculated from the NHTS'database for a number of different <br />-,ert9 <br />income levels and raged related to the resultingiAHS income'data in Table B-3. <br />CalculateSingle FamilyyTrip Characteristics <br />2011 AHS Average Income <br />Data by Housing Size <br />Annual <br />Income') <br />Lessfhan <br />1,500 sf, w <br />$42,156 <br />1500 to 2 A99 sf ,,. <br />$62,563 <br />of $42,156 <br />42;500 sf or ore <br />$79,443 <br />A e age of ATP -Houses <br />$62,831 <br />Source 2011 American Household Survey <br />Table B-4 <br />NHTS VMT Annual VMT by Income Category <br />2009 NHTS Travel Data by <br />Annual HH Income <br />Annual ' <br />VMT/HH <br />Days <br />Daily VMT <br />Ratio to <br />Mean <br />Normalized <br />to 0.995 <br />Average <br />of $42,156 <br />19,241 <br />365 <br />52.72 <br />0.796 <br />0.800 <br />Total (All Homes) <br />24,181 <br />365 <br />66.25 <br />1.000 <br />Average of $62,563 <br />24,053 <br />365 <br />65.90 <br />0.995 <br />1.000 <br />Average of $79,443 <br />28,349 <br />365 <br />77.67 <br />1.172 <br />1.178 <br />Source: 2009 National Household Travel Survey Database, Federal Highway Administration <br />Tindale -Oliver & Associates, Inc. <br />January 2014 <br />B-2 <br />Indian River County <br />Impact Fee Update Study <br />