The long-delayed and over-budget Elizabeth line rail link finally opened in London on Tuesday, with hopes it will speed up journeys across the British capital and provide an economic boost. Hundreds of people queued outside Paddington station in west London to be on the first train when it left at 6:33 am (0533 GMT). London Mayor Sadiq Khan called the opening “historic” and “the most significant addition to our transport network in decades”. “The Elizabeth line is much more than just a new railway — it will provide a crucial economic boost to the whole country and help to turbo-charge our rec…