Highway 404, Green Lane to Queensville Sideroad | Town of East Gwillimbury Project involves the extension of Highway 404, from Green Lane to Queensville Sideroad. Work includes the completion of a full interchange at Green Lane, construction of the Doane Road underpass structure, construction of the Queensville Sideroad underpass including four ramps, the closure of Farr Avenue with a cul-de-sac on the east and west side of Highway 404, two car pool lots, six arched culverts, and five storm management ponds. Contract calls for grading, drainage, granular base, paving, electrical, and structural work.