Complex sentence: Watford Junction railway station, is a railway station serving Watford, Hertfordshire, United Kingdom, is served by the West Coast Main Line (WCML), the Watford DC Line to, and the Abbey Line (a branch line to St Albans).
Split into simpler sentences: Watford Junction railway station, is a railway station that serves Watford, Hertfordshire, United Kingdom. The station is on the West Coast Main Line (WCML), the Watford DC Line to, and the Abbey Line (a branch line to St Albans).