Very nice idea. Is the ADVANCE/UPFRONT payment based per trip? for example if one is going from CMS to V/I, what's the cost per that trip? Secondly, how long does a trip last before any further deduction can be made from your OBus pass? I think the system can be made more interesting if payment can be made per trip lasting between ONE HOUR after the first deduction is made. That is, if a passenger could finish his/her transaction between ONE hour and is going back to CMS, NO DEDUCTION will be made from the PREPAID Bus pass. It's a suggestion. How can Senior citizens benefit from such?