Greater Thameslink Railway (GTR), which operates Thameslink, Southern, Great Northern and Gatwick Express trains, is trying to reduce so-called 'quick scanning'.

The trial has identified 153 short-faring offences, compared with seven during the same period last year

Greater Thameslink Railway (GTR), which operates Thameslink, Southern, Great Northern and Gatwick Express trains, is trying to reduce so-called 'quick scanning'.