▁appe als ▁court ▁to ▁review ▁the ▁technical ▁mer it ▁of ▁the ▁rules ▁( a ▁so - called ▁" de ▁nov o " ▁review ) ▁unless ▁the ▁procedure ▁used ▁to ▁create ▁the ▁rules ▁was ▁fla wed . ▁The ▁C PS C ▁argued ▁that ▁a ▁ch allen ger ▁must ▁prove ▁the ▁process ▁was ▁" ar bitr ary ▁and ▁cap r icious ." ▁The ▁judge ▁ordered ▁a ▁de ▁nov o ▁review ▁of ▁the ▁rules ; ▁threw ▁out ▁four ▁of ▁them , ▁but ▁left ▁the ▁" e ight ▁reflect or " ▁standard ▁un touch ed . ▁For ester , ▁emb old ened ▁by ▁this ▁partial ▁success , ▁proceeded ▁to ▁launch ▁further ▁challeng es ▁to ▁administrative ▁rules ▁in ▁court , ▁but ▁did ▁not ▁duplicate ▁that ▁early ▁success . ▁ ▁His ▁legal ▁advoc acy ▁remains ▁highly ▁controvers ial . ▁ ▁Fam ously ▁ab ras ive ▁and ▁inf lex ible , ▁For ester ▁was ▁critical ▁of ▁Dutch ▁cycle ways , ▁stating ▁them ▁to ▁be ▁dangerous ▁– ▁but ▁he ▁never ▁cy c led ▁in ▁the ▁Netherlands . ▁ ▁In ▁addition ▁to ▁legal ▁advoc acy , ▁For ester ▁was ▁known ▁for ▁his ▁theories ▁regarding ▁cy cling ▁safety . ▁His ▁Effect ive ▁Cy cling ▁educational ▁program , ▁developed ▁after ▁his ▁research ▁which ▁claimed ▁that ▁integr ating ▁motor ists ▁and ▁educated ▁cycl ists ▁reduced ▁acc idents ▁more ▁than ▁creating ▁separate ▁b icy cle ▁lan es , ▁was ▁implemented ▁by ▁the ▁League ▁of ▁American ▁B icy cl ists ▁( former ly , ▁the ▁League ▁of ▁American ▁W heel men ) ▁until ▁For ester ▁with d