article_snippet: Campaigners say it is the start of a radical new nationwide attempt to slow traffic down.
article_snippet: The trend is spreading across Britain.
article_snippet: Alec James, of Sustrans – a charity campaigning for healthier and cheaper transport – said of the London announcement:
article_snippet: We expect other cities to follow London’s lead.
article_snippet: ’ r.massey@dailymail.co.uk .
highlights_snippet: Campaigners said scheme was part of nationwide attempt to slow traffic .
  