Beginning at the intersection of the centre line of the travelled portion of Route 127 and the centre of the median for Route 1; thence in an easterly direction along the centre line of Route 1 for a distance of approximately 19.226 kilometres to the point that is 0.150 kilometre west of the intersection of the centre lines of the travelled portions of Route 1 and Oven Head Road, including all existing and future interchange or at grade intersection ramps and on and off lanes including tapers on all connecting highways.