Quiz Answer Key and Fun Facts
1. Its length includes the first tunnel dug using the Greathead Shield method
2. Only one station along its length does not interchange with either a mainline railway or another tube line
3. Contains the longest single journey on the entire Underground system
4. The only line that has NO physical track connection to any other tube or mainline railway line
5. Cut back from its original northern terminus in 1982, and then extended to its current terminus in 1984
6. Included the last section of the Underground to use steam locomotives
7. The only London Underground line to pass over the River Thames on a bridge rather than under it through a tunnel
8. The first line to feature platform-edge doors on its station platforms
9. Until 1988, considered to be part of another Tube line
10. The only line to feature a uni-directional loop with stations on it
Source: Author
Red_John
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stedman before going online.
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