Simplify the following text for a Grade 10 native English-speaking person.
Original: The link between the Swanage Railway and the main line at Wareham has been used for materials deliveries , special excursions , locomotive and stock movements onlyâ '' work is continuing to provide the infrastructure necessary to enable regular services via Wareham to be implemented .
Simplified: The link between the Swanage Railway and the main line at Wareham has been used used for materials deliveries , special excursions .