| Classification of Types of Constructions (CZ-CC) - level 3 - Group | 212 | Railways | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 212111 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 212121 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 212122 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 212123 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 212124 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 212191 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 212192 |  | 
                
                  
                    | Classification of Types of Constructions (CZ-CC) - level 5 - Sub-class | 212193 |  |