Resumen
The article is devoted to three issues. 1. In the normative literature about fitting of the rolling stock into the clearance diagrams, there are the mistakes and the expressions what are difficult to be understood. 2. During running test of the rolling stock, it is necessary to check sufficiency of the allowances for vehicle dynamics provided into the clearance diagrams. 3. The algorithms of the designing of the look of the different types of the rolling stock regarding as to fit into the clearance diagrams are presented.