Answer:
an onboard ATP system, "Standard Gauge", and an Earth Pressure Balance Shield TBM
Explanation:
The Three types of technology implemented at the Gautrain are;
The Gautrain is one where the Collection of passenger fares uses the contactless smart card (CSC) technological system.
It is one that uses a smart chip and RFID, that helps customers to hold the card near a card reader to log in/ start their journey into the system.
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