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Dukinfield Junction () is the name of the canal junction where the Peak Forest Canal, the Ashton Canal and the Huddersfield Narrow Canal meet near Ashton-under-Lyne, Greater Manchester, England. The area has been designated by Tameside Metropolitan Borough Council as a conservation area. It is adjacent to Portland Basin, and the names are often used as synonyms by boaters, whilst locals refer only to Portland Basin. Strictly speaking, Portland Basin is the wide area on the main line of the canal. The arm under the junction bridge and the aqueduct over the River Tame were built by the Ashton Canal, and the junction with the Peak Forest canal was historically at the southern end of the aqueduct. ==History== The Ashton Canal was authorised by an Act of Parliament obtained in 1792, to connect the coal mining area around Oldham and the textile mills of Ashton-under-Lyne to Manchester. It was heavily-locked, with 18 locks in . During construction, the company obtained a second Act to allow them to build the Hollinwood Branch Canal, the Stockport Canal and the Beat Bank Branch Canal. The line to Ashton and the branch to Hollinwood were both opened in December 1796, and the Stockport Branch opened in January 1797, but the Beat Bank Branch was never completed. The Peak Forest Canal was authorised two years after the Ashton Canal, to access limestone reserves at Doveholes, near Whaley Bridge. The final were built as a tramway, as the quarries were too high to make access by canal economic, and the limestone was transhipped to barges at Bugsworth Basin. The canal is on two levels separated by a flight of locks at Marple which had not been completed when most of the canal opened in 1800. A temporary tramway bypassed the locks until they were completed four years later.〔 The Ashton Canal built a short section of canal southwards from the junction, which included an aqueduct over the River Tame, and the Peak Forest Canal officially started at the southern end of the aqueduct. The Huddersfield Narrow Canal was also authorised in 1794, and is one of three which cross the Pennines. It was a huge undertaking, with 74 locks and the longest canal tunnel in Britain at Standedge. Sections were opened at both ends as they were completed, with that from Ashton to Greenfield opening in 1798. The canal was not fully opened until 1811, with the completion of the tunnel. It joins the Ashton Canal end-on at the junction. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dukinfield Junction」の詳細全文を読む スポンサード リンク
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