Lachen To Chungthang (22 KM)- Open
Chungthang To Mangan (27.5 KM)- Blocked at Km. 17.8. Not Needed
Mangan To Sankalang (6.24 KM)- Open
Sankalang(DSM) To Dikchu (21.33 KM)- Open for light vehicle only.
Dikchu To Makha (18.2 KM)- Open
Makha To Singtam (14.5 KM)- Open
Singtam To Rangpo (10 KM)- Open
Rangpo To Melli (17 KM)- Open
Melli To Siliguri (44 KM)- Open
Siliguri To NJP (6 KM)- Open