“…Plots of various published models along with the overall best fit model: ( a ) CBR versus M R ( 9 – 24 ), ( b ) R -value versus M R ( 1 , 25–30 ), ( c ) 30° cone DPI versus in-situ CBR ( 31 – 34 ), ( d ) DPI versus in-situ CBR ( 23 , 24 , 35–43 ), ( e ) DPI versus lab CBR ( 5 , 13 , 19 , 23 , 36 , 44–53 ), and ( f ) DPI versus soaked CBR ( 39 , 46 , 50 , …”