LS Barrie Constructors expanded a 3 km section of the Barrie Rail Corridor in King City. The project included grading, subballast and drainage for a second track, electrical raceway construction, two pile and lagging retaining walls, three culvert replacements up to two m in diameter completed during weekend track blocks, construction of crash walls to Bathurst bridge, and installations of micro-piles through the existing bridge footings to strengthen the structure.