Miles. From the Manner in which the Account of 1821 was made up, it is not improbable that the Distance was computed, instead of being taken by Admeasurement. NOTES. NOTE A. Page 50. HOLYHEAD ROAD. STOWE VALLEY IMPROVEMENT. Investigation of the best Plan to be adopted for improving the Road through Stowe Hill Valley. By John Macneill.* IN a great public work of this kind, where a considerable sum of money is to be laid out, it becomes of the greatest importance to ascertain not only what would be the best plan to be adopted, but also to what extent it should be carried, or, in other words, what sum of money should be laid out on the works so as to produce the most advantageous result. Without altering the entire line of road, as originally proposed by Mr. Telford, which would unquestionably have been the wisest measure, there does not appear to be any means of effecting an improvement of the present line of road, except by embanking across the valley, or lowering the ridges, or by both. It is evident that each of these plans will admit of This paper, which was prepared for the Parliamentary Commissioners, was, with their permission, read at the Institution of Civil Engineers. This and the following notes have been furnished by Mr. Macneill. |