atoire ▁in ▁ 1 7 3 0 ▁to ▁decor ate ▁his ▁château ▁de ▁La ▁Chap elle - G ode f roy ▁( see ▁below ) ▁reve als , ▁on ▁the ▁contrary , ▁a ▁certain ▁disc ern ement ▁in ▁art istic ▁matters : ▁N atoire ▁was ▁one ▁of ▁the ▁most ▁prom ising ▁young ▁history ▁pain ters , ▁and ▁his ▁two ▁main ▁riv als ▁- ▁François ▁B ouch er ▁and ▁Car le ▁Van ▁L oo ▁- ▁were ▁both ▁abroad . ▁ ▁As ▁director ▁general ▁of ▁Pont s ▁et ▁Ch auss ées ▁( brid ges ▁and ▁high ways ), ▁Or ry ▁finished ▁the ▁Cro zat ▁canal ▁and ▁maintained ▁and ▁developed ▁France ' s ▁road ▁system . ▁ ▁He ▁sent ▁to ▁the ▁intend ants , ▁in ▁ 1 7 3 8 , ▁a ▁detailed ▁instruction ▁on ▁the ▁duty ▁( la ▁cor v ée ▁royale ) ▁for ▁all ▁inhabitants ▁to ▁spend ▁a ▁fort night ▁a ▁year ▁on ▁the ▁construction ▁and ▁maintenance ▁of ▁transport ▁routes , ▁class ed ▁in ▁five ▁categories . ▁The ▁cor v ée ▁made ▁France ' s ▁major ▁road ▁network ▁the ▁fin est ▁in ▁Europe , ▁and ▁before ▁the ▁Revolution , ▁a ▁great ▁part ▁of ▁the ▁public ▁roads ▁existed ▁thanks ▁to ▁this ▁institution . ▁This ▁policy ▁of ▁improved ▁communic ations ▁also ▁led ▁to ▁the ▁completion ▁of ▁the ▁Cass ini ▁map ▁in ▁ 1 7 4 4 . ▁ ▁F acing ▁opposition ▁from ▁Madame ▁de ▁Pom pad our , ▁Or ry ▁res igned ▁in ▁ 1 7 4 5 . ▁ ▁He ▁was ▁the ▁Tre as urer