The use of American dollars has increased on the local markets as the Afghani currency remains unstable following insecurity and unprecedented incidents in the country post 2014.
A contract worth $19.6 million was signed for the technical studies of the construction of a new tunnel in Salang pass.
The contract was signed between the Ministry of Public Works and an Australian firm, SMEC, which is expected to launch its work for the technical studies in the near future.
President Ashraf Ghani signed a number of bilateral agreements with his Turkmenistan counterpart, Gurbanguly Berdimuhamedov, on Monday during a one-day official visit to Ashgabat.
Ankara has denied that the Turkish company which won share in a multimillion Afghan dam project is bankrupt.
Pimatek is among winners of $79 million contract from the Afghan government for construction of third phase of Kamal Khan Dam in southwest Nimroz province, which was launched in April.
The Afghan government has failed to provide traders with better opportunities to export Afghan carpets to the world markets, Afghan Carpet Union (ACU) said.