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.
December 2028 remains a legacy estimated full-opening forecast, not verified commercial operation. February 2026 regulator reporting states no current agreed construction schedule.
Construction research 2026-10-24: Ositrán verifies active tunnelling and unfinished systems on Line 2 in February 2026. The completed 1A starter section does not complete the full line. The old 2028 forecast is not actual operation; the regulator has no agreed construction schedule. The saved USD5.364bn concession amount is not verified as a latest Line-2-only budget excluding the Line 4 branch. Source quote: “La tuneladora Delia se encuentra construyendo el túnel”[1]
Railjournal could not be fetched (403 error), but its headline, "First section of Lima Metro Line 2 opens", and 21 December 2023 publish date indicate a partial opening years ahead of the pin's stored 1 December 2028 date for full completion.
Infobae could not be fetched due to a network restriction, but its headline (in Spanish, on Line 2's "operación total" arranca en 2028) and 11 November 2023 publish date - reporting the transport minister's 2028 full-operation target - match the pin's stored 1 December 2028 estimated date.
Published project cost: “The total investment will amount to €4.08 billion (US$5.65 billion) , and of that total about €3.02 billion (US$4.18 billion) will be contributed by the state”[1]
“esta etapa entraría en operación comercial en setiembre de 2028.”
Stage 1B (16 stations) 85% complete excluding the Line 1 interconnection; Stage 2 (11 stations) about 65% (demonstrated)
“La etapa 1B de la Línea 2 del Metro de Lima y Callao que comprende 16 estaciones registra el 85 % de avance de todos los aspectos que se requieren para la puesta en operación”
“entraría en operación integral antes de diciembre de 2027.”
Stage 2 commercial operation (estimate)
“esta etapa entraría en operación comercial en setiembre de 2028.”
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Ositrán verifies active tunnelling and unfinished systems on Line 2 in February 2026. The completed 1A starter section does not complete the full line. The old 2028 forecast is not actual operation; the regulator has no agreed construction schedule. The saved USD5.364bn concession amount is not verified as a latest Line-2-only budget excluding the Line 4 branch.
The published cost is €4.08 billion: Total investment for Lima Metro Line 2 at the 2014 concession signing (state plus consortium); source also states US$5.65 billion. Later estimates (e.g. World Bank US$5.8bn) differ.[5]