Possible Clues:

• Orange property on a 'Monopoly' board
• Setter's barking following bend in London road
• Thoroughfare associated with early police force
• Acknowledges old actor's time with runners
• Way in which London runners maintained order?
• Caves in time swallowing trunk road in city
• - - - - Runner, London policeman in early 19th century
• - - runners were early London policemen