People slurp soup and pluck noodles at a soba and udon restaurant in Tokyo in February 2016. Shuji Kajiyama/AP hide caption toggle caption Shuji Kajiyama/AP The Salt Tokyo's Metro Is Betting Free Soba Noodles Can Help Ease Congestion January 22, 2019 Passengers who get on the train before the morning rush hour will also qualify for free tempura. The offer is an attempt to reduce overcrowding on the city's most jam-packed route.