AH48
Asian Highway 48 or AH48 is a transnational route in India and Bhutan, running  from Changrabandha in India to Thimphu in Bhutan. India
India/Bangladesh border at Changrabandha to Jaigaon at India/Bhutan border. Changrabandha - Mainaguri
 Dhupguri - Mainaguri
 Gairkata - Dhupguri
 Birpara - Gairkata
 Birpara - Hasimara
 Hasimara - Jaigaon

Bhutan
India/Bhutan border at Phuentsholing to national capital Thimphu. AH48 is also the national highway number given for this route. 