The Humsafar Express AC 3-tier coach. Pic/YouTube

The AC 3-tier coach, a preferred mode of travel by Indian train commuters for long-distance trips has received a major makeover. According to Indian Express, the all-AC-3-tier Humsafar Express has USB charging ports, reading lights for all berths, seperate urinals for men in toilets wtih foldable nappy-changing tables for babies and a GPS-enabled screen in each coach to display the locomotive's location.