The robot taxi would be entirely controlled by electronics and therefore meant for urban areas with a maximum of two passengers and very light carry-ons. It's a Johnny Taxi as first seen in the movie 'Total Recall.' Awesome.
Implications - Taxis make up some of the most frequently used modes of transportation for many people who live both in the city and outside in rural areas. Futuristic taxis continue to pop up all over the world as travellers seek out ways to make their travel experiences extra unique.