Route information for Bus 57

        5    10   15   20   25   30
    ----+----+----+----+----+----+-
Dec     ¦    ¦xxxxx  xxxxx  ¦    ¦ 
Jan     ¦  xxxxx  xxxxx¦ xxxxx  xxx
Feb xx  xxxxx¦ xxxxx   ¦    ¦xxxx¦ 
Mar x  xxxxx ¦xxxxx  xxxxx  xxxx ¦ 
Apr     ¦    ¦    xxxxx¦ xxxxx  xx 
May xxx ¦xxx ¦  xxxxx  ¦xxxx¦ xxxxx
Jun   xxxxx  xxxxx¦ xxxxx  xxxxx ¦ 
Aug     ¦    ¦    ¦   xxxxx ¦xxxxx 
Sep  xxx¦x  xxxxx ¦xxxxx  xxxxx  x 
Oct xxxx¦ xxxxx  xxxxx ¦    ¦  xxxx
Nov x  xxxxx ¦xxxxx  xxxxx  xxxxx¦ 
Dec  xxxxx  xxxxx ¦    ¦    ¦    ¦