The new style of express train using a steam engine, called 'Hayakaze' (later called the JNR Steam Locomotive Type 6500) ran in the same sector for 5 hours 34 minutes outbound and 5 hours 16 minutes inbound in the daytime; it ran 6 hours 41 minutes outbound and 6 hours 3 minutes inbound during the night.
新式の「早風（はやかぜ）」（後の国鉄6500形蒸気機関車）と名づけられた蒸気機関車を用いた急行は、同区間を昼行では下り5時間34分・上り5時間16分、夜行は下り6時間41分・上り6時間3分で走破した。