The ruling eliminates the final legal obstacle to construction of the 145-mile transmission line in western Maine.

and the line made use of steam trains to carry passengers between Paddington and Farringdon. Over the coming weeks, we’ll be using maps to tell you the story of each of London’s Tube lines.

It was built by digging a long trench, laying track and covering it over again, and the line made use of steam trains to carry passengers between Paddington and Farringdon. Over the coming weeks, ...