Motorways of Pakistan Motorways of Pakistan Motorways of Pakistan () are a network of multiple-lane, high-speed, controlled-access highways in Pakistan, which are owned, maintained and operated federally by Pakistan's National Highway Authority. 1010 km of motorways are currently operational as of 4 February 2017, while 3690 km are currently under construction. All motorways in Pakistan are pre-fixed with the letter 'M' (for "motorway") followed by the unique numerical designation of the specific highway (with a hyphen in the middle), e.g. "M-1". Pakistan's motorways are part of Pakistan's "National Trade Corridor Project", which aims to link Pakistan's three Arabian Sea ports (Karachi Port, Port
Indus River Delta-Arabian Sea mangroves in Sindh Province, Pakistan, there is an alluvial fan that extends along of coastline. It is formed from the vast quantities of silt that have been washed down the river for over fifty million years and covers an area of about . There are seventeen major channels, many smaller ones, extensive mudflats and fringing mangrove swamps which form a barrier against storm surges. These mangroves are found in the Indus River Delta on the Arabian sea, an even saltier estuary than usual due to the salts brought to the coast by the Indus from the Thar Desert, a process that