Baytown Commuter Rail

Baytown Commuter Rail is a commuter railway system in Baytown, Econesia. It is the famous commuter railway system that has unusual six letter mission codes while others have four letters or four letters plus two digits.

Lines

 * Widelfield Line
 * Kindesslet Line
 * Homidale Line
 * Forhenheit Line
 * Condiloth Line
 * Kinbillu Line
 * Yimidzo Line
 * Jimbin Line

Mission code structure
The mission code is six letters, where the first letter indicates the destination of the train and the sixth letter is a checksum letter using "Luhn mod N" algorithm. Its modulo factor is 26. The letters map code points from A (0) to Z (25). The checksum letter is included in the mission code to capture human transcription errors.