Subway is one of the best known sandwich chains in Canada. Sandwiches, salads, coffees and beverages are all on the menu in Grassland on Highway 63. No time to eat in the restaurant? Try out their drive thru. Open 6 am to 11 pm Monday through Friday and 7 am to 10 pm on Saturday and Sunday. Located at 5001 – 50 Avenue, Grassland, AB.