Complex sentence: In response to competition from trams, which were taking away business from the railway, the line was electrified between London Road and Atrincham in 1931 using the 1,500 volt DC overhead system.
Split into simpler sentences: In response to competition from trams which were taking away business from the railway. The line was electrified between London Road and Atrincham in 1931, using the 1,500 volt DC overhead system.