| 
          
            | 
              
                |  Unit 1  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Swansea & Mumbles Railway - S&M  Cost £30  Revenue £5  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Cromford & High Peak Railway - C&HP  Cost £75  Revenue £12  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Canterbury & Whitstable Railway - C&W  Cost £130  Revenue £20  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Liverpool & Manchester Railway - L&M  Cost £210  Revenue £30  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Unit 2  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Leeds & Middleton Railway - L&Mi  Cost £30  Revenue £5  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Cromford & High Peak Railway - C&HP  Cost £75  Revenue £12  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Stockton & Darlington Railway - S&D  Cost £160  Revenue £25  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Liverpool & Manchester Railway - L&M  Cost £210  Revenue £30  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Unit 3  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Arbroath & Forfar Railway - A&F  Cost £30  Revenue £5  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Tanfield Wagon Way - TWW  Cost £60  Revenue £10  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Stockton & Darlington Railway - S&D  Cost £160  Revenue £25  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Combining Units 1 and 2  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Use the S&M, C&HP, C&W, S&D, L&M  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Combining Units 2 and 3  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Use the A&F, TWW, C&HP, S&D, L&M  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Combining Units 1, 2 and 3  |  |  | 
      
        |  | 
      
        | 
          
            | 
              
                |  Use the S&M, TWW, C&HP, C&W, S&D, L&M  |  |  |