A nice slideshow about the current state of Pakistan's railways, aimed at a general audience:
http://www.nytimes.com/slideshow/2013/05/18/world/asia/20130519-PAKISTAN.html?ref=asia&_r=0#1
I like the first slide- the image could be of a JNR station circa 1950. Also slide #10, of a lamp tender.
Related article, weaving the woes of the railway with those of the nation as a whole. Recommended:
http://www.nytimes.com/2013/05/19/world/asia/pakistans-railroads-sum-up-nations-woes.html