We have sourced some masks for our lab workers and postgrad students to minimise the risk of losing all our workforce over our seasonal busy period. They are stated to comply with the FFP2 (EU) standard, and I find them hugely more comfortable and better sealing than cloth masks.
While it is a 'home project', aerosol scientist Aaron Collins youtube posts give data from his tests on a variety of masks, and advice on fitting.

Maybe we need to be more innovative in our thinking about how we get round our cities. Like creating grids of roads for cars and within that having roads only for slower traffic such and bikes and escooters,