Tactile Intersection Diagrams: Braille, Large Print & Tactile Graphics - Comb BoundMany of the concepts associated with intersection design and street crossings are abstract and difficult for students with congenital visual impairments to grasp. Detailed tactile intersection diagrams can help students better understand those abstract concepts by making them tangible. O&M Instructors can use these diagrams to facilitate discussions about intersection design, the movement of vehicles, lane by lane scanning patterns, and other topics