TABLE 9 Add-On Sample Average Trip Lengths by Trip Purpose (in minutes),,,,,, County,,HBW,HBO,NHB,All purposes, Unweighted,Carter County,26.8,20.0,15.5,19.6, ,Edmonson County,33.8,22.6,26.1,25.1, ,Pulaski County,21.4,19.1,17.2,18.7, ,Scott County,25.9,23.6,18.7,22.3, ,All counties,25.6,21.3,18.7,21.0, Weighted,Carter County,28.5,19.8,15.8,19.8, ,Edmonson County,34.5,22.6,25.9,25.2, ,Pulaski County,21.8,19.0,16.8,18.6, ,Scott County,25.2,23.3,19.2,22.2, ,All counties,25.1,20.4,18.0,20.3, Key: HBW = home-based work; HBO = home-based other; NHB = nonhome-based.,,,,,, Source: Calculations based on data from 2001 NHTS Kentucky add-on sample.,,,,,,