Complex sentence: Diesel-hauled freight trains still run through Northenden, including heavy block trains carrying limestone from quarries at Tunstead (near Buxton) Derbyshire to the alkali works located near Northwich.
Split into simpler sentences: Diesel-hauled freight trains still run through Northenden. These include heavy block trains carrying limestone from quarries at Tunstead (near Buxton) Derbyshire to the alkali works located near Northwich.