DARPA, after all, is the ultra-forward-thinking Pentagon agency that hosted the Grand Challenge in 2006 and 2007, an autonomous car race across the Mojave desert, as well as the Urban Challenge, a 2008 event that challenged self-driving cars to negotiate a cityscape complete with obstacles and traffic.

FORBES: Connect

It also allows it to tip off users to traffic jams, road construction and other obstacles.

FORBES: A Crowd-Sourced Navigation Service

It has always baffled me that councils feel that they should put obstacles on roads which were created for the specific purpose of conveying traffic.

BBC: NEWS | UK | Scotland | Campaign to end speed bump 'pain'