Correct Answer:
A. 1991
Correct answer: 1991. The National Highway Authority (NHA) was established in 1991.
Background: It plans, builds, and maintains the national highways and motorways.
- 2001: 2001 is not the year.
- 2007: 2007 is not the year.
- 2011: 2011 is not the year.
Did you know? Its headquarters is in Islamabad.
Memory trick: NHA = 1991.