What should you remember when pushing tram carriages damaged as a result of collision?

A tram damaged in a collision may have a faulty braking system, which means that the entire set is being braked by only one vehicle. Combined with the enormous mass of both trams, this significantly increases the required stopping distance. Additionally, the winter conditions visible in the photo, i.e., snow on the tracks, reduce the grip of the wheels on the rails, which further impairs braking effectiveness.