The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
India's bullet train was originally due in 2022; the railways minister now targets 15 August 2027 for the first Surat-Bilimora segment, with the full Mumbai-Ahmedabad line not expected until 2029.
Railway.Supply reports the 2027 first-service target while cautioning it "should not be treated as the final completion date" for the full corridor, given unfinished tunneling, track and signalling work - independent trade coverage that corroborates the pin's date as a first-segment target rather than full completion, consistent with its lower confidence score.
India's own government news service quotes Railways Minister Ashwini Vaishnaw naming Surat-Bilimora as the first section to open, part of the same official announcement targeting 15 August 2027 that the pin's stored date reflects, a firm primary source though the exact day for that first segment isn't repeated in the excerpt.[1]
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