Describir: Traffic and transportation plan for the Calcutta Metropolitan district :

            _____    ______    _    _                ___     _    _   
  ____     |  ___|| |      \\ | || | ||   ____      / _ \\  | \  / || 
 |    \\   | ||__   |  --  // | || | ||  |    \\   / //\ \\ |  \/  || 
 | [] ||   | ||__   |  --  \\ | \\_/ ||  | [] ||  |  ___  ||| .  . || 
 |  __//   |_____|| |______//  \____//   |  __//  |_||  |_|||_|\/|_|| 
 |_|`-`    `-----`  `------`    `---`    |_|`-`   `-`   `-` `-`  `-`  
 `-`                                     `-`                          
 _    _   
| || | || 
| || | || 
| \\_/ || 
 \____//  
  `---`