Simplify the following text for a Grade 9 native English-speaking person.
Original: Since 1835 Wirksworth 's citizens had been promoting the idea for a branch line from the North Midland Railway ( later the Midland Railway ) at Duffield .
Simplified: Since 1835 Wirksworth 's citizens had been promoting the idea , among others , for a branch line from the North Midland Railway , later the Midland Railway , at .