Complex sentence: A group of people in the Wealden Line are currently campaigning to re-open the Lewes-Uckfield line as part of the National Rail Network, this would directly affect the operations of the Lavender Line.
Split into simpler sentences: A group of people in the Wealden Line are currently campaigning to re-open the Lewes-Uckfield line as part of the National Rail Network. This would directly affect the operations of the Lavender Line.