A.
The bus ride times are as follows:
Manually operated buses:
Clockwise: from “Ring West Terminal” to “East Gate South Stop” takes about 7 minutes, from “East Gate South Stop” to “West Gate North Terminal” takes about 15 minutes
Counter-clockwise: about 5 to 7 minutes between each stop
Automated buses
Clockwise: about 22 minutes
Counter-clockwise: about 24 minutes