• The India–Myanmar–Thailand Trilateral Highway is a highway under construction under India’s Look East policy that will connect Moreh, India with Mae Sot, Thailand via Myanmar.
• Imphal-Mandalay-Bangkok 1,980 km (1,230 mi) route, consisting of Imphal-Mandalay 584 km (363 mi) and Mandalay-Bangkok 1,397 km (868 mi), is good condition higway except for the under upgrade 101 km (63 mi) part of 120 km (75 mi) long Kalewa-Yagyi stretch, revised expected completion date for which is 2019.
• The road is expected to boost trade and commerce in the ASEAN–India Free Trade Area, as well as with the rest of Southeast Asia. India has also proposed extending the highway to Cambodia, Laos and Vietnam.
• The proposed approx 3,200 km (2,000 mi) route from India to Vietnam is known as the East-West Economic Corridor (Thailand to Cambodia and Vietnamn became operational in 2015).
• India and ASEAN have plans to extend this route to Laos, Cambodia and Vietnam as this connectivity will generate annually, an estimated US$70 billion in incremental GDP and 20 million in incremental aggregate employment by 2025, and India has offered US$1 billion line-of-credit for the India-ASEAN connectivity projects (c. Dec 2017).

Source:wikipedia