This next length of Les Tramways de l'Aude takes us south of Lezignan-Corbieres. Some assumptions have had to be made about the route followed based on what appears to be the route in Michelin Maps of the 1930s.
http://rogerfarnworth.com/2018/10/16...rre-des-champs
Should anyone have better evidence of the route, I'd be delighted to hear from them.