WORLD’S LONGEST TUNNEL

New Zealand Times, Volume LI, Issue 11738, 28 January 1924, Page 12

WORLD’S LONGEST TUNNEL

LONDON UNDERGROUND IS MILES. _The extension shortly to be begun or the City and South London tube to Morden w-ill give London the longest tunnel in the world. . Tho City and South London tube is at present over seven miles long. It is being joined at the Euston end with the Hampstead tube at Chalk Farm, and with this junction there will be a continuous tunnel of about eleven miles from Clapham Common to near Golders Green. Of the five miles to be added at the Clapham end 4} will be in tunnel, so that the total length when the work is finished in 1925 will be at least 15 miles. The extended South Loudon, the first of the tubes, will then have a good lead over the Simplon tunnel, which burrows under the Alps for 12 miles. At present London’s longest continuous tunnel is that of the Piccadilly tube, which is between eight) and nine miles in length. The longest main-line tunnel in London is at Penge (1} miles), on the South-Eastern and Chatham section of the Southern Railway.