Malir Expressway - Karachi is building a new highway to ease traffic! Karachi is the World's 12th largest city with a population of over 20 million and almost 3.4 million vehicles. This causes traffic jams and makes it hard to get around. The Pakistani government is building a new 6-lane highway next to the Malir River to fix this. This will connect the city center to the main highway much faster,...