When a machine weighs 42 tonnes, travels at 70km/h and takes twice its 33-metre length to come to a complete stop, that sounds like a pretty good reason not to step, ride or drive anywhere near it.
But so far this year, Canberra Metro tram drivers have had to yank back swiftly on the drive controller at their left hand to the full emergency stop position 21 times to avoid crashing into a car, pedestrian, cyclist or e-scooter rider.