| Length | 310 km |
| Terminal 1 | Purnea |
| Major destinations | Darbhanga – Muria – Sakri – Jhanjharpur – 
Narahia – Narpatganj – Forbesganj – Araria |
| Terminal 2 | Muzaffarpur |
| Major Junctions | NH 77, NH 106 |
- NH 57 Purnia-MZP
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New Delhi, Oct 27: The National Highway Authority of India (NHAI) has issued letters of acceptance (LOAs) for developing two stretches of national highway-57. These LOAs were issued earlier this week and the stretches come under the purview of North-South East-West (NSEW) corridor.
The first LOA has gone to a joint venture company (BSC-C&C) for maintaining a 32 km stretch on NH-57, which falls in Bihar. This is being seen as a positive sign by road and surface transport ministry, as NSEW is already running quite as per schedule.
Already NHAI has awarded quite a few contracts under phase III of NHDP, which involves four laning of national highways.
