"Clearly, the biggest constraint to boosting trade and energy flows is in addressing the barriers between India and Pakistan," Assistant Secretary of State for South and Central Asia Nisha Desai Biswal said in her address to the Harvard University in Boston.
Biswal said the US is encouraged by the economic progress that Pakistan has made in the past year, though it still faces many challenges ahead.
"We have heard some positive murmurings in Islamabad and Delhi that both governments are moving in this direction and we are hopeful that they will make progress after the Indian election," Biswal said.
Pakistan early this month said the process of granting Non-Discriminatory Market Access to India has not been shelved but only postponed to avoid favouring a particular political party ahead of polls.
More From This Section
While the transition in Afghanistan is the cause of much angst and anxiety, they are focused on the opportunities and imperative it creates for connecting the economies of South Asia and Central Asia, she added.
Through the New Silk Road vision US has been focusing its efforts in four key areas - creating regional energy markets that link Central with South Asia; Boosting transportation routes and investing in critical infrastructure; Improving customs and borders; and linking businesses and people.