If the mobility demand of London could be met with 30% of the existing vehicles imaging the benefit. Easier said today for Singapore with its digital infrastructure  but surely the goal for older big cities.

The integration of machine and human sensors and the involvement of citizens in creating smart cities is important. Smart cities are there for residents and visitors whether business or tourist. The human angle is important.

Parking Services, Waste Management, Leisure Centre facilities management... so much more could be delivered with less by harnessing the new big data with analytics to manage the present and future. 

As always though, the technology is a means to an end and it is the wellbeing of people rather than assets that is the key priority. That's why smart citizens are the priority to be housed and served in smart cities