Route 115 is a major east-west arterial route in the Winnipeg suburbs of St. Boniface and Transcona. It is the western extension of Manitoba Highway 15, which runs eastward to the communities of Dugald and Elma, Manitoba. Within the city boundaries it connects the largely industrial areas of south Transcona and east St. Boniface with Old St. Boniface and (via St. Mary's Road) downtown.