Route Nationale #5 (RN5) breaks off from RN1 on the northeast edge of Gonaïves, heading north and then northwest through Gros Morne before terminating near the airport outside Port-de-Paix.
Route Nationale #7 (RN7) commences from the aforementioned Avenue des Quatre Chemins in Les Cayes, going northwest across Haiti's southern arm to the outskirts of Jérémie.