It starts on the west at the intersection of Rice Avenue and Fifth Street in Oxnard. It continues east then northeast on Fifth Street until it intersects Pleasant Valley Road in Camarillo. After continuing east on Pleasant Valley Road a short distance, it turns north onto Lewis Road until the intersection with Las Posas Road at the north city limit of Camarillo where Route 34 continues straight ahead as Somis Road. It ends at Route 118 near Somis. This route originally began in Port Hueneme, but in 1965, the portion from Port Hueneme to Route 1 was deleted. Nevertheless, Route 34 mileposts add on these additional along the signed route.
