Stage 1: London Underground Trivia Challenge

Test your knowledge of the London Underground, especially the Piccadilly Line and Hatton Cross.

1. What was the *exact date* Hatton Cross Station officially opened?




2. Prior to Hatton Cross, which station served as the western terminus of the Piccadilly Line's Hounslow branch before the Heathrow extension was built?




3. The Piccadilly Line's tunnels are generally considered "deep-level". What is the approximate *internal diameter* of these deep-level tube tunnels?




4. Which architect is credited with designing the iconic diagrammatic London Underground map, first introduced in 1933?




5. Hatton Cross Station is located within Transport for London's zonal system. Which two fare zones does it span?




6. Beyond Hatton Cross, and excluding the dedicated Terminal 4 loop, which primary Heathrow Airport Terminals are directly served by the Piccadilly Line?




7. Which former London Underground line's services were partially replaced by the Piccadilly Line's western extension towards Hounslow?




8. What is the specific type of rolling stock (train model) commonly used on the Piccadilly Line?




9. What type of station best describes Hatton Cross's track and platform level?




10. The extension of the Piccadilly Line beyond Hatton Cross to Heathrow Central (Terminals 2 & 3) opened in 1977. What was the *exact date* of this extension's opening?




Stage 2: Decode the Cipher

The following code was created by shifting an original message's letters three places *down* the alphabet (e.g., 'D' becomes 'A', 'E' becomes 'B', 'C' becomes 'Z'). Keep numbers as they are.

Decode this message: ExqqlkZolpp50

🎉 Congratulations!

You've solved all the puzzles! Here are your final coordinates:

Coordinates: N 51° 27.985′ W 0° 25.397′

Hint: On the bottom of the solar panel post.