Input (grade 10): 1 tph to Stratford, calling at Cheshunt, Waltham Cross, Enfield Lock, Brimsdown, Ponders End and Tottenham Hale, taking 32 minutes.
Output (grade 8): 2 call at Cheshunt, Waltham Cross, Enfield Lock, Brimsdown, Ponders End, Tottenham Hale and Hackney Downs, taking 36 minutes.