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.
The federal project page gives the AIFA-Pachuca section an "Execution period and start of operations: 2 years (2025-2027)", a year rather than a fixed day.
States 45% progress per the Sedena engineering commander, 47,272 million pesos investment, 58.2 km double electrified track, four stations and four stops, 10 km of viaducts, and that at least part of the route should open in 2027.[1]
Reports the 10 July 2026 site visit: 36% physical progress, about 58 km with 10 km of viaducts and 47 km of embankment, and the army commitment to finish in 2027.[1]
Lists stations and stops, 15 electric trains, 120 km/h top speed, 57.56 km route and about 1 h 15 min terminal to terminal; no opening date given.[1]
Hidalgo governor said the opening slipped from late 2026 to the first half of 2027 because of rain and right-of-way delays; right-of-way about 90% cleared then.[1]
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36% reported at the 10 July 2026 site visit; not a present-day measurement.
“avance físico ya alcanza el 36%”
58 km between AIFA and Pachuca, per Infobae’s reporting of the project briefing.
“58 kilómetros”
Presidential construction visit
“10 de julio de 2026”
Completion target