locomotive with an asynchronous engine malachite zs-8 in 2022, together with the team, was awarded the cherepanove more comfortable, comfortable headrests have appeared, i see usb has appeared, finally, what else, actually, the interior itself, the color scheme, the portal entrance areas have changed, bright accents in the form of such orange ones, handrails, armrests, interior design. there are important indicators that practically the passenger does not notice are the level of vibration in the passenger seat, the level of vibration acceleration, that is, these are all things that can in a certain way affect the well-being of the passenger, and if these negative factors are present, then the passenger may become ill, these are all indicators are strictly standardized during tests , they are necessarily checked, there is a lot of special equipment for passengers with limited mobility, is this an innovation or has it always been something i just paid attention to, this is a requirement according to the legislation of the city train, there are requirements for the urban environment for the movement