Transportation Crossword Challenge

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Across
  1. 1. - A flying vehicle with rotating blades (9 letters).
  2. 3. - An underground train system in a city (6 letters).
  3. 5. - A large passenger ship for vacations (10 letters).
  4. 6. - A series of connected railway cars for carrying passengers or goods (5 letters).
  5. 9. - A signal with red, yellow, and green lights controlling traffic (12 letters).
  6. 11. - A person walking on foot (10 letters).
  7. 12. - A mode of transport that flies in the sky (8 letters).
Down
  1. 2. - A situation where vehicles are stuck in a long line and can't move (10 letters).
  2. 4. - A four-wheeled vehicle for personal transportation (10 letters).
  3. 7. - A two-wheeled vehicle with an engine (10 letters).
  4. 8. - A two-wheeled vehicle powered by pedaling (7 letters).
  5. 10. - A fast motorized boat for racing or recreation (8 letters).