Complex sentence: It goes down Winchester Road to the Fly-Over at Hale End, then goes down until Forest Road, continuing to Walthamstow Central bus station, and the last stop is at St James Street station.
Split into simpler sentences: It goes down Winchester Road to the Fly-Over at Hale End. Then goes down until Forest Road were then goes on wards to Walthamstow Central bus station and the last stop at St James Street station.