ROHTAS FORT, Pakistan: was built for the Afghan king Sher Shah Suri as part of his invasion of the Mughal Empire about 1540. The fort lies on the historic Grand Trunk Road between the mountains of Afghanistan & the plains of Punjab. Sher Shah Suri was also responsible for rehabilitating the road which had fallen into disrepair since the ancient Buddhist Maurya dynasty.
We should see this. Grand Trunk Road by Rover Films. A documentary in the making about a life apart. Rupert Grey is an Englishman who drives, with his wife, his vintage car across India in an attempt to take control of his life and to find a balance.
Stone causeway of Grand Trunk road discovered in Bihar - According to historians, the Uttarpath was reconstructed during Sher Shah Suri's reign in the 16th century from present-day Afghanistan to Bangladesh and was renamed GT road by the Britishers in the 17th century.