According to CN Rail, planned expansion projects include: "-Construction of 12 miles of double track west of Edmonton across Parkland County -Construction of about seven miles of double track near Wainwright, east of Edmonton -Construction of about seven miles of double track near Tofield, east of Edmonton -Construction of about 11 miles of double track near the Alberta-Saskatchewan border -Installation of a new bypass track at Walker Yard in Edmonton, to increase efficiency of train movements through the yard -Building new storage and bypass tracks at Scotford Yard northeast of Edmonton for additional car storage and improved operational efficiency -Building new track capacity at CN’s yard in Swan Landing Maintenance program highlights include: -Replacement of approximately 130 miles of rail Installation of more than 270,000 new railroad ties -Rebuilds of approximately 40 road crossing surfaces -Maintenance work on bridges, culverts, signal systems and other track infrastructure"