Why is there Braille on drive-up ATM's:shrug:
Why is there brail on drive through ATM machings?
Have an answer, what prize do I win?
Because ATM manufacturers cannot predict with enough accuracy how many machines will need Braille pads and how many will not need them, they find that it is cost-effective to manufacture all of the machines with Braille pads. That procedure avoids problems of inventory, storage, retrieval, and shipment as well.