Orchestrating the Boston Marathon for 30,000 runners is a huge task. One of the biggest projects involves assembling a temporary bridge over Boylston Street, at the finish line, which becomes a ...
Time-lapse video shows the work on the 27th Street Bridge over I-94.
Add Yahoo as a preferred source to see more of our stories on Google. Orchestrating the Boston Marathon for 30,000 runners is a huge task. One of the biggest projects involves assembling a temporary ...