Quizzing Live

In The UK, In Which Decade Was The 30 Miles Per Hour Speed Limit Introduced Nationally In Built-Up Areas

Answer:
1930's (1935)
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Who Released The 70's Album Entitled Bitches Brew?
Which Mountain In The Swiss Alps Is Featured In A Clint Eastwood Film?
Who Co Wrote The Band Aid Single 'Do They Know It's Chrismas'?
Who Has The Only Hat Trick?
Singapore Banned Which Popular Western Foodstuff Because Of Litter Implicatons?