1. Ahmed A (2007) Road safety in Pakistan. Islamabad, Pakistan: National Road Safety Secretariat, Ministry of Communications, Government of Pakistan. Retrieved October 18, 2014, from http://www.roadsafety.am/publication/pub_int/Pakistan_Roadsafety.pdf
2. Ahmed MS (n.d.) Use of seat belt: a sure recipe to save life. National Road Safety Journal, 1: 11–12. Retrieved November 28, 2014, from http://nhmp.gov.pk/wp-content/uploads/2014/04/Magazine.pdf
3. Ali G (1994) Development in transport of goods by road. Pak Gulf Econ 11(21):38–39
4. Ali MS, Uddin W, Imran M (2010) Urban transportation policy for Karachi and other Pakistani cities. University of Mississippi & NED University/Urban Transportation Policy/August 20, 2010: 11. Karachi: USAID. Retrieved November 15, 2014, from http://sites.nationalacademies.org/cs/groups/pgasite/documents/webpage/pga_065673.pdf
5. Askari SJ (2007–2008) Economic survey of Pakistan 2007–08. Islamabad, Pakistan: Ministry of Finance, Pakistan. Retrieved October 14, 2014, from http://www.finance.gov.pk/survey/chapters/14-Transport%20final08.pdf