Complex sentence: Castleisland is often considered the Gateway to Kerry, as the main road to all towns in Western and Southern Kerry passes through here-the N21 from Limerick continues on to Tralee while the N22 goes to Killarney and other towns in Southern Kerry.
Split into simpler sentences: Castleisland is often considered the Gateway to Kerry, as the main road to all towns in Western and Southern Kerry passes through here. The N21 from Limerick continues on to Tralee while the N22 goes to Killarney and other towns in Southern Kerry.