The jury heard Booth was travelling at 55mph, despite gantry signs displaying a 40mph limit, and ploughed into slow-moving traffic.

BBC: Priyanka Bhogal

The court had heard Booth was travelling at 55mph, despite gantry signs displaying a 40mph limit, and ploughed into slow-moving traffic.

BBC: Priyanka Bhogal

Additionally, the on-screen speed limit display will help to keep you from becoming a traffic issue yourself, a nice feature that we wish worked on more secondary roads.

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The new time-limit rule, and the possible exemptions at JFK, will create many difficult air traffic decisions when "push comes to shove" about who gets priority, he said.

CNN: Air traffic jams in New York likely to jump