From the southwest, LA 10 Bus. heads east on Parent Street co-signed with LA 1 Bus. and immediately enters the city of New Roads. At New Roads Street, opposite the St. Augustine Catholic Church and Cemetery, LA 1 Bus. turns south toward the downtown area located along the False River. LA 10 Bus. turns north onto New Roads Street briefly before curving to the northeast and away from town. After , LA 10 Bus. ends at an intersection with its parent route opposite the eastern terminus of LA 420.