Karachi - Post Report Question and Answers
Are local buses, trams, trains or taxis safe and affordable?
No, no, no, and yes. - Aug 2015
No, and U.S. Consulate personnel can't use them. I'm sure there are some reliable taxi companies here, but most people have a driver. A bus in the western sense does not exist here, there are plenty of buses in Pakistan - all usually adorned with a crown of local laborers sitting on the roof - but the buses appear to be falling apart as they go down the road in all their colorful mosaic'd glory. - Jun 2014
Use of public transport is not allowed. - Mar 2013
You are not allowed to use any of them. Travel by USG fully-armored vehicles ONLY. - Sep 2011