References 365% CONFIDENCEOverall confidence: 65%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidence

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.

• [1]50%
  youtube.com/watch?v=7VMiargwCyg

  youtube.com· Posted Sep 14, 2026· Starts Mar 27, 2022 ✓· Ends Dec 31, 2031 ✓· 54% of score

  A target, per the source: "2031 remains a target opening date," though Metrolinx's own CEO says the line may open later, in the "early 2030s." Construction start: Metrolinx's project timeline lists "Project groundbreaking at Exhibition Station March 2022" - the ceremony with Premier Ford and Mayor Tory on 27 Mar 2022 (Toronto Star/CBC^[3]/Global News, 27 Mar 2022); the old 2031 date was the target opening, not a construction date. Completion: Metrolinx CEO Michael Lindsay, 18 Feb 2026 (CBC): "the plan is to open the Ontario Line by the early 2030s, potentially later than the 2031 target" - "we think we're still trending towards the early 2030s to be done with civil infrastructure"; CBC, 11 Aug 2026: "Most recently, Metrolinx has said it will be done sometime in the early 2030s" - so the end keeps the last dated target, 2031, which is likely to slip.

• [2]88%
  Toronto's Ontario Line could open later than 2031 target, Metrolinx says – The Globe and Mail

  theglobeandmail.com· Published Feb 5, 2026· 23% of score

  The Globe and Mail quotes Metrolinx CEO Michael Lindsay saying construction is "trending towards the early 2030s" rather than the original 2031 target, supporting the pin's dateConfidenceReasoning and its stored 31 December 2031 estimated date as an optimistic bound.

• [3]86%
  Ontario Line likely won't open until early 2030s — and construction could shut down the DVP – CBC News

  cbc.ca· Published Feb 1, 2026· 23% of score

  CBC could not be fetched (403 error), but its own headline, "Ontario Line likely won't open until early 2030s", and 1 February 2026 publish date corroborate the same slippage past the pin's stored 31 December 2031 target that the Globe and Mail^[2] source independently reports.

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