طريق الحافلة R1 على خريطة Surabaya

Suroboyo bus route. Can be paid only by (indonesian) app (Gobis, OYO, QRIS, ...) or by (indonesian) flash card (BRI, BNI, Mandiri). No cash!
The bus only stops at the indicated stops on the map.
There was a system in place that you could also pay by plastic bottles (to be collected at certain points in town (https://id.wikipedia.org/wiki/Suroboyo_Bus)