PhotobiaA system to be developed for Rijkswaterstaat, the Dutch infrastructure agency, for capturing fine dust and breaking down NOx along motorways.

Photobia captures fine dust from passing traffic and breaks down nitrogen oxides (NOx), right along the motorway.

The drawing shows a perforated tube in the crash barrier, a solar panel, a UV lamp that breaks down nitrogen oxides, a grid treated with photocatalytic paint, and an electrostatic filter that captures fine dust.