sentences:  By then, construction was underway on a two lane bypass of St. Jacobs east of the original route, connecting with the Conestoga Parkway at Northfield Drive, then an at-grade intersection.By the end of 1977, this bypass was completed.In 1975, the eastern section of Highway 86, from Elmira to Guelph, was decommissioned, truncating the eastern terminus of it to the western terminus of Highway 85.