

Flexible travel is now possible for people with limited mobility – thanks to a tailored search engine and an app which provides assistance for those changing trains.
Now, a woman from London is helping the capital’s underground users select the healthiest route.
Even below the surface, the air quality index of 25 particles per cubic metre is exceeded through the abrasion of wheels, tracks, and brakes.
Especially on the very deep underground lines, that value can top 200 per cubic metre.
The app, therefore, doesn’t calculate the quickest route, but the one that exposes passengers to the least air pollution.
Particularly benefiting those with pre-existing respiratory conditions. But please mind the gap.
For more adventurous rides, meanwhile, step this way.