Complex sentence: The village is closer to Old Roan railway station, although Aintree railway station is convenient for the racecourse, both on the Merseyrail Northern Line's Ormskirk branch with regular service between Liverpool Central and Ormskirk.
Split into simpler sentences: The village is best reached by rail from Old Roan railway station rather than Aintree railway station (which is convenient for the racecourse). These both lie on the Merseyrail Northern Line's Ormskirk branch with regular service between Liverpool Central and Ormskirk.