![VELOCITY - Railroad And Rapid Transit | Greener Cleaning](/wp-content/uploads/2017/03/railroad-rapid-transit-green_chemical-cleaning_solution.jpg)
There are clear advantages to keeping the carriages in a railroad and rapid transit service clean. But it’s not just to do with looking good. Research suggests that removing grime that builds up in a metropolitan area can help in lowering urban air pollution levels. With train exteriors and windows often catching large volumes of this dirt each day, rail carriage cleaning regimens can play a useful role in making city air cleaner.