ToiLet’s Go -- A mobile micro-oasis for rest and relief

Hong Kong, a vibrant global city known for its rich tourism and fast-paced urban life, faces a surprisingly persistent and deeply human challenge: the lack of accessible public toilets. With fewer than 800 independent public restrooms—just 1.1 per 10,000 people—the city lags far behind other metropolises like New York and Beijing. Despite a decade of development, this number has barely changed. In a landscape where land is precious and dense, building new facilities is both financially and socially difficult. Residents worry about hygiene and safety; developers face skyrocketing costs. Even though private venues such as malls and restaurants offer restrooms, access is unreliable, and many of Hong Kong’s public toilets remain outdated, unhygienic, or under repair for far too long.

ToiLet’s Go was born from a belief that everyone—residents, tourists, the elderly, children—deserves dignity and comfort in public space. Our project reimagines the public toilet not as a fixed structure, but as a mobile, intelligent part of the city, capable of responding to real-time needs. By integrating autonomous vehicles with modular ecological design, each unit becomes more than a restroom: it’s a shaded seat, a pocket of fresh air, a resting stop in a relentless city.

The strategy transforms existing toilets into support stations and builds new centralized recycling and maintenance zones in less dense areas. An intelligent system allows each ToiLet’s Go unit to navigate the city—recharging, refilling, responding—wherever people need it most. During busy hours, it moves around to serve the crowds; in quieter times, it can be reserved or simply exist as a peaceful public facilities.

In one of the world’s most space-constrained cities, ToiLet’s Go offers a new typology for public infrastructure: mobile, modular, human-centered. It’s not just a solution to a logistical issue—it’s a small act of care, a symbol of inclusion, and a vision of how design and technology can restore a basic civic dignity to every corner of the city. We hope this concept design inspires others to see the city through a more compassionate lens.