Complex sentence: Seven days a week two trains per hour are provided in each direction between Glasgow Central and Neilston, whilst on Mondays to Saturdays one train per hour is provided in each direction on the Cathcart Circle.
Split into simpler sentences: Seven days a week two trains per hour are provided in each direction between Glasgow Central and Neilston. Additionally, on Mondays to Saturdays, one train per hour is provided in each direction on the Cathcart Circle.