(01 Apr 2016, 12:25 pm)Adrian wrote Works are only ever temporary, and to be honest, the X21 reliability has been spot on since the change. It does now have an extra bus on the road during the day, compared to what the Pronto had.
From a brief look over the Facebook page, the X21 is rarely mentioned. The 21 takes a hammering but perhaps the upcoming changes might help. Doubtful though.