It is whispered that the provider might be TomTom…

Looks cool! However, there is with badge.team also a similar app platform which they used on https://flow3r.garden/, on the MCH22-badge and the now in preorder namatsu: https://shop.nicolaielectronics.nl/products/tanmatsu?variant=55608856183133 (which I just ordered two of)

Their live traffic data’s comes not from OSM. It is not publicly known what their source is for this data.