Since the 19th century, Pakistan’s clattering railways have carried passengers and cargo from the Arabian Sea to the Himalayas. But the colonial-era network is in severe disrepair, with decrepit trains and some tracks left unusable by devastating flooding last year.
Together with its close ally China, Pakistan is now preparing at least a partial solution: a $10bn revamp of its 1,700km arterial Main Line 1 railway to be paid for with loans…