Page 55 - How It Works - Book Of Amazing Answers To Curious Questions, Volume 05-15
P. 55
Technology
Expanding the subway system The New York City underground system is now over 100 years old. It wasn’t designed to accommodate the enormous numbers of people that use it daily, so the decision was made to expand it. The plan is to add around 34 kilometres (21 miles) of new tunnel throughout the city, via the East Side Access, Second Avenue Subway, and the 7 Line Extension projects, which are estimated to cost over £9.6 billion ($15 billion). Engineers would norm
How It Works 55
