 The western terminus in Vernon Parish comes within of reaching the Sabine River at the Texas state line and making LA 10 a true cross-state route.During its lengthy route, LA 10 traverses ten parishes and connects six parish seats, including Ville Platte, New Roads, St. Francisville, Clinton, Greensburg, and Franklinton.It also passes through the cities of Oakdale and Bogalusa as well as towns such as Washington and Jackson.