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In Conversation With Steve Allen 9pm - 10pm
27 September 2016, 15:53 | Updated: 27 September 2016, 16:25
Mystery Hour Question
What do the letters on top of bus stops mean?
Name: Peter, Thornton Heath
Qualification: 30 years as a bus driver
Answer: The letters on bus stops are a map reference for the public and emergency services, used particularly in busy parts of London. They are allocated randomly.