C2C - 357 (old) – 3 x 2 seating / small aisle .57 sets of 4 carriages – most frequently used.
C2C Trains – 387 (new rolling stock)– 2 x 2 seating configuration – wider aisles6 sets or 4 carriages / typically used at peak times, though small number maybe available depending upon scheduling.
C2C Trains – Metro - 2 x 2 seating configuration – wider aisles4 carriages / typically used at peak times thus unlikely to be in service for filming