Conundrum

#068
CONUNDRUM
- A confusing and difficult problem.
- A riddle whose answer is or involves a pun or unexpected twist

This is in London, UK. I was watching Top Gear and couldn't resist "screenshotting" it. 

How the hell does one know, which light is for which road?

Example / Usage :
- The Telangana conundrum: Will Hyderabad be the stumbling block?
- Nitin Gadkari's two statements reflect BJP conundrum over second term.
- Michael Clarke adds new twist to selection conundrum.