6A: Verify  ETA with TMC
3A: Verify  ETA with TMC
10: Notify CC2
9: Notify Rider
4: CC1 Forwards Request  to CC2
Agency 1
Control Center
Rider
Transfer Point
Traffic Management Center
Agency 2
Control Center
1: Send Request
3:  Calc ETA
6:  Calc ETA
7:  Manual OK
11A: Vehicle 1 Arrives
Vehicle 1 (Fixed-route Bus)
Vehicle 2 (Fixed-route Bus)
Scenario #2 - Denial and Manual Approval of Transfer Between Fixed-route Buses
2: Location and RSA
5: Location and RSA
8: Notify Driver
11B: Vehicle 2 Arrives