Railways consist of all active railway lines in Southern Ontario.
Mapping Source:
Railways, Land Information Ontario: http://www.mnr.gov.on.ca/en/Business/LIO/2ColumnSubPage/STEL02_168199.html
Additional Information:
Additional information on the Railway network (currently running, abandoned) from the Ministry of Natural Resources: https://koordinates.com/layer/1739-railway-ontario-canada/