 The road heads through the suburbs of Paris, after a junction with the RN 19 the RN 6 becomes Avenue du Général Leclerc and then Avenue du Général de Gaulle.The road passes Maisons-Alfort and enters an industrial area as Avenue du Maréchal and runs parallel to railway yards before passing along the East bank of the Seine.The road then bypasses Montgeron and enters "Forêt domaniale de Sénart" and a junction with the RN 104 before becoming the A 5 and then branching off to the South.