Interface: St Charles Area Transit (SCAT) Vehicle - Metro Transit Payment Card
![St Charles Area Transit (SCAT) Vehicle to Metro Transit Payment Card Interface Diagram](../../images/ifs/if49-113.gif)
Architecture Flow Definitions
payment (Planned) Applicable ITS Standards
Payment of some kind (e.g., toll, parking, fare) by traveler which, in most cases, can be related to a credit account.
request for payment (Planned) Applicable ITS Standards
Request to deduct cost of service from user's payment account.