▁Bush ▁or ▁his ▁family . ▁ ▁Court ' s ▁decision ▁The ▁majority ▁opinion ▁noted ▁that ▁the ▁P SC ▁under ▁the ▁state ▁stat ute ▁used ▁an ▁arbitrary ▁test ▁for ▁the ▁grant ing ▁of ▁perm its ▁for ▁common ▁carri ers ▁engaged ▁in ▁inter state ▁commerce , ▁similar ▁to ▁the ▁stat ut ory ▁scheme ▁that ▁was ▁struck ▁down ▁in ▁Buck ▁v . ▁K uy k end all , ▁a ▁companion ▁case ▁whose ▁decision ▁announced ▁the ▁same ▁day ▁as ▁George ▁W . ▁Bush ▁& ▁S ons ▁Co . ▁Although ▁the ▁high ways ▁in ▁Maryland ▁were ▁constructed ▁without ▁federal ▁aid , ▁the ▁majority ▁opinion ▁noted ▁that ▁this ▁was ▁without ▁significance ▁as ▁the ▁federal ▁legisl ation ▁a iding ▁in ▁the ▁construction ▁of ▁high ways ▁make ▁clear ▁the ▁purpose ▁of ▁Congress ▁that ▁state ▁high ways ▁shall ▁be ▁open ▁to ▁inter state ▁commerce . ▁Since ▁the ▁Maryland ▁stat ute ▁attempted ▁to ▁reg ulate ▁inter state ▁commerce , ▁the ▁stat ute ▁as ▁constru ed ▁in ▁this ▁manner ▁was ▁held ▁by ▁the ▁majority ▁to ▁in va de ▁a ▁field ▁reserved ▁by ▁the ▁Com merce ▁Cla use ▁for ▁federal ▁reg ulation . ▁ ▁The ▁diss ent ▁by ▁Justice ▁Mc Re yn olds ▁stated ▁that ▁the ▁state ▁stat ute ▁did ▁not ▁disc rim inate ▁against ▁inter state ▁commerce ▁or ▁imp ede ▁it , ▁and ▁were ▁necessary ▁to ▁protect ▁the ▁state ▁roads . ▁The ▁diss ent ▁stated ▁that ▁this ▁reg ulation ▁was ▁similar ▁to ▁that ▁of ▁har bor ▁reg ulation ▁by ▁state ▁govern ments , ▁which ▁the ▁Supreme ▁Court ▁had ▁u ph eld ▁as ▁being ▁within