Work on new Rome subway line under the Colosseum and Forum enters crucial phase

ROME (AP) — A long-delayed and complex project to bring a subway line under ancient Roman ruins and through Rome’s historic center has entered a crucial phase, with the digging of an 85-meter (280-foot)) deep retaining wall around the flagship station.

During a tour Thursday of the construction site at Piazza Venezia, chief engineer Andrea Sciotti said work on the nearly 3 billion euro ($3.3 billion) project, considered one of the most complicated of its kind in the world, was likely to be completed by 2034.

The Metro C subway line has been in the works for two decades but has been slowed by bureaucratic and funding delays and, crucially, the archaeological excavations necessary given the underground ruins of Imperial Roman and Medieval civilizations in its way.

When completed, the subway line will run underneath some of the world’s most important cultural heritage sites -- the Colosseum, Trajan’s Column and the Basilica of Maxentius, the largest building in the Roman Forum -– as well as some of Rome’s prized Renaissance palazzi, churches and the Vatican.

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