Driverless buses are now ferrying paying passengers at Science Park 2 and on Jurong Island, with a round trip costing $0.40 and $2 respectively.
The increase in competition in the public bus industry may lead SMRT to restructure its bus drivers' pay and incentives.
An angry driver obstructed the way of a SBS public bus for at least 15 minutes, preventing the bus driver from making a right turn.