Tricky! There are/were a number of railway station in Acton!
Acton station (now called Acton Main Line) would have been part of the Great Western Railway.
Acton Station, renamed Acton Central was operated by the North & South Western Junction Railway. Taken over by the London & North Western Railway in 1909.
From 1923 part of the London, Midland & Scottish Railway.
South Acton station was on the North London Line and the District Line.
Chiswick Park and Acton Green. District Railway.
Acton Town station also part of the District Line.
East Acton on the Central Line.
North Acton operated by GWR.
West Acton also operated by GWR.