Complex sentence: In early 2009, a single daily passenger service was introduced by East Midlands Trains between Melton Mowbray and St Pancras via Corby, the first regular daily passenger service to operate across the viaduct since the 1960s.
Split into simpler sentences: In early 2009 a single daily passenger service was introduced by East Midlands Trains between Melton Mowbray and St Pancras via Corby. This is the first regular daily passenger service to operate across the viaduct since the 1960s.