Q. What cashless payment methods are accepted on the perimeter buses? A. Credit cards, transport IC cards, QR code payments, and e-money are accepted on the perimeter buses. Related articles Can I pay for the buses in cash? Can you get on and off the outer buses at all the bus stops? How much does it cost to ride the outer buses. Are corporate prepaid cards and debit cards accepted as cashless payment methods within the Expo venue? Can I book a ride on one of the perimeter buses?