With the urban mutation, the flexibility of the territory brings the phenomenon of urban shoring and urban densification, collective territory intervenes directly on the notion of private territory. Citizens become "victim" of this phenomenon of flexibility. Cities are clawing back street space sacrificed to traf c and parking for pedestrians and parks. In this context, my concept revolves around the following issues: “How to ensure a resilient cohabitation, faced with the future challenges of urban change, through the semi-territory? ” My answer is “setting up a system to ensure access to out-of-center services.” ÉCO-GO, it is a public entertainment mobile venues in the Charbonneau park, which is the delivery service at the last kilometer Carquefou district of Nantes. ÉCO- GO, such as a mobile infrastructure to rethink the public realm. With a variety of sensor and mobile capabilities and Autopilot technology, ÉCO-GO will generate a large amount of real-time data.