Safety-first trials are already running near the Discovery Bay Tunnel. Is this a careful first step toward driverless taxis? Photo by Felix Chan If you’ve been driving or taking the bus around Sunny Bay or the Discovery Bay Tunnel lately, you might have spotted something a little unusual: a car or bus with special labels, gliding along a bit more deliberately than the usual traffic. Welcome to the age of autonomous vehicles, and yes, it’s arriving right here on our island. Ov