The Heathbrow Airport in London has unveiled the future of public transportation with these new shuttle pods. Laser-guided and battery-operated, they mosey at up to 25 miles per hour and are said to be impossible to crash.
http://www.news.com.au/travel/news/the-future-is-here-driverless-airport-pods-a-reality/story-e6frfq80-1226141546271 -via Arbroath
http://en.wikipedia.org/wiki/Morgantown_Personal_Rapid_Transit
It was wonderful when it worked.
Yes, a titanic challenge.