Quote:
Originally Posted by electricron
Have any modern light rail projects in the USA been torn down and rebuilt in the last 50 years? 60 years? 70 years? Vehicles have been replaced, but have any elevated light rail structures been replaced?
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In Boston, the green line is being extended, which requires shifting a portion of track. As part of that work, they are removing more of the elevated viaduct than needed to build it new. They are also using the time to repair the rest of the viaduct.