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However, this ambitious project has not been without challenges. Originally budgeted at $33 billion, costs have ballooned to approximately $128 billion, with completion timelines stretching into the 2030s. Progress continues, especially in the Central Valley, where a vital 191-kilometer segment is under construction, featuring engineering marvels like the Hanford Viaduct and the Deer Creek Viaduct.
While the infrastructure strengthens, a focus remains on environmental benefits, with electric trains reducing emissions compared to cars and planes.