Beginning at the point on the centre line of the travelled portion of Route 1 that is 733Â metres west of the boundary between New Brunswick and the United States; thence in an easterly direction along the center line of Route 1 for a distance of approximately 21.593 kilometres to the centre of the grade separation for Route 1 and Route 127, including all existing and future interchange or at grade intersection ramps and on and off lanes including tapers on all connecting highways.