Template:National Highways in Bihar
| Number | Length (km) | Length (mi) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 NH 19GQ
|
206.0 | 128.0 | Uttar Pradesh, Mohania, Aurangabad, Dobhi-Jharkhand | — | — | |||
 NH 20
|
107.7 | 66.9 | Junction with NH-31 near Bakhtiyarpur - Bihar Sharif, Nawada, Rajauli -Jharkhand | — | — | |||
 NH 22
|
282.3 | 175.4 | Sonbarsa (Indo/Nepal Border), Sitamarhi, Muzaffarpur, Hajipur, Patna, Punpun, Gaya, Bodh Gaya, Dobhi - Jharkhand. | — | — | |||
 NH 27EW
|
487.0 | 302.6 | Uttar Pradesh Gopalganj, Pipra Kothi, Muzaffarpur, Darbhanga, Forbesganj, Araria, Purnia, in the State of BiharWest Bengal | — | — | |||
 NH 31
|
415.0 | 257.9 | The highway starting from its junction with NH-27 near Unnao connecting Lalganj, Raebareli, Salon, Pratapgarh, Machhlishahr, Jaunpur, Varanasi, Ghazipur, Ballia in the State of Uttar Pradesh Chhapra, Hajipur, Bakhtiyarpur, Mokama, Begusarai, Khagaria, Bihpur, Kora, Katihar in the State of Bihar, Harishchanderpur and terminating at its junction with NH-12 near Pandua in the State of West Bengal. | — | — | |||
 NH 33
|
332.0 | 206.3 | The highway starting from its junction with NH-139 from Arwal connecting Jahanabad, Bandhuganj, Ekangarsarai, Biharsharif, Mokama, Luckeesarai, Munger, Bhagalpur, Kahalgaon in the State of Bihar, Sahibganj, Rajmahal, Barharwa in the State of Jharkhand and terminating at its junction with NH-12 near Farakka in the State of West Bengal. | — | — | |||
 NH 119
|
93.0 | 57.8 | The highway starting from its junction with NH-19 near Dehri connecting Akbarpur, Jadunathpur and terminating at Bihar/UP Border near Jadunathpur in the State of Bihar. | — | — | |||
 NH 120
|
244.0 | 151.6 | Junction with NH-20 near Bihar Sharif connecting Nalanda, Rajgir, Hisua, Gaya, Daudnagar, Nasriganj, Karakat, dawath, Nawanagar, and terminating at its junction with NH-922 near Dumraon | — | — | |||
 NH 122
|
110.0 | 68.4 | Junction with NH-22 near Muzaffarpur - Dholi, Mushrigharari - junction with NH-31 near Barauni | — | — | |||
 NH 122A
|
31.8 | 19.8 | Vishwanathpur Chowk on NH-22 - Koili, a- Nanpur on NH-527C | — | — | |||
 NH 131
|
136.0 | 84.5 | The highway starting from its junction with NH-31 near Bihpur connecting Kishanganj, Madhepura and terminating at Birpur in the State of Bihar near Indo/Nepal Border. | — | — | |||
 NH 131A
|
81.2 | 50.5 | West Bengal- Ahmedabad, Manihari, Katihar on NH-31 - Purnia on NH-27 | — | — | |||
 NH 133
|
10.9 | 6.8 | The highway starting from its junction with NH-33 in the state of Bihar connecting Godda and terminating at Choupa More on NH-114A in the state of Jharkhand. | — | — | |||
 NH 133B
|
5.0 | 3.1 | Jharkhand Border- Manihar (NH-31) | — | — | |||
 NH 139
|
153.6 | 95.4 | The highway starting from its junction with NH-39 near Rajhara connecting Chhatarpur, Hariharganj in the State of Jharkhand, Aurangabad, Daudnagar, Arwal, Naubatpur and terminating at its junction with NH-31 near Patna in the State of Bihar. | — | — | |||
 NH 219
|
46.8 | 29.1 | The highway starting from its junction with new NH No. 19 near Mohania connecting Bhabhua, Chainpur, Chand in the State of Bihar and terminating at its junction with NH-19 near Chandauli in the state of Uttar Pradesh | — | — | |||
 NH 227
|
215.0 | 133.6 | The highway starting from its junction with NH-27 near Chakia connecting Narhar, Pakri Bridge, Madhuban, Shivhar, Sitamarhi, Harlakhi, Umgaon, Jaynagar, Laukaha, Laukahi and terminating at its junction with NH-27 near Narahia in the State of Bihar. | — | — | |||
 NH 227A
|
137.0 | 85.1 | Up / Bihar Border - Siwan - Mashrakh - Chakia | — | — | |||
 NH 227F
|
36.3 | 22.6 | The highway starting from its junction with NH- 227 near Chakia (Chorma chowk) connecting Pakridayal, Dhaka, Phulwaria Ghat and terminating at Bairgania in the state of Bihar near Indo / Nepal Border. | — | — | |||
 NH 227J
|
30.0 | 18.6 | The highway starting from its junction with NH- 227 near Saharghat connecting Uchhait, Benipatti and terminating at its junction with NH- 527B near Rahika in the state of Bihar | — | — | |||
 NH 227L
|
20.4 | 12.7 | The highway starting from its junction with NH- 227 near Umagaon connecting Basopatti and terminating at its junction with NH- 527B near Kalnahi in the state of Bihar. | — | — | |||
 NH 231
|
209.0 | 129.9 | The highway starting from its junction with NH-31 near Maheshkund in the State of Bihar connecting Sonbarsa Raj, Simri Bakhtiyarpur, Saharsa, Madhepura, Sarsi, Purnia and terminating at its junction with NH-31 near Kora in the State of Bihar. | — | — | |||
 NH 319
|
125.0 | 77.7 | Junction with NH-19 near Mohania - Dinara, Charpokhari, a- junction with NH-922 near Ara | — | — | |||
 NH 322
|
58.0 | 36.0 | The highway starting from its junction with NH-22 near Hazipur and terminating at its junction with NH-122 near Mushrigharari in the State of Bihar. | — | — | |||
 NH 327
|
233.5 | 145.1 | The highway starting from Galgalia on N.H-327 (W.B/Bihar) Thakurganj, Raniganj, Bahadurganj, Araria, Bhargama, Tribeniganj, Pipra, Supaul, (Bariyahi Bazar)Bangaon and terminating at Maheshi (Tarapeeth) in the state of Bihar. | — | — | |||
 NH 327A
|
25.0 | 15.5 | The highway starting from Supaul on NH-327 and terminating at Bhaptiahi on NH-27 in the state of Bihar. | — | — | |||
 NH 331
|
65.0 | 40.4 | The highway starting from its junction with NH-31 near Chhapra connecting Baniapur, and terminating at its junction with NH-27 near Muhumadpur the State of Bihar. | — | — | |||
 NH 333
|
141.2 | 87.7 | The highway starting from Bariyarpur on NH-33 connecting Kharagpur, Laxmipur, Jamui, Chakai in the state of Bihar-Jharkhand | — | — | |||
 NH 333A
|
198.9 | 123.6 | The highway starting from its junction with NH-33 near Bar Bigha connecting Shekhpura, Sikandra, Jamui, Jha-Jha, Banka in the State of Bihar and terminating at its junction with NH-133 near Godda in the State of Jharkhand. | — | — | |||
 NH 333B
|
17.7 | 11.0 | The highway starting from its junction with NH33 at Munger and terminating at its junction with NH No-31 at Khagaria in the state of Bihar. | — | — | |||
 NH 431
|
69.0 | 42.9 | The highway starting from its junction with NH-31 near Phatuha connecting Chandi, Harnaut and terminating at its junction with NH-31 near Barh in the State of Bihar. | — | — | |||
 NH 527
|
9.3 | 5.8 | The highway starting from its junction with NH-27 near Forbesganj and terminating at Jogbani in the State of Bihar. | — | — | |||
 NH 527A
|
75.3 | 46.8 | The highway starting from its junction with new NH No.527 B near Pokhrauni Chowk connecting Madhubani, Rampatti, Jhanjharpur, Samey Chowk, Awam, Laufa, Bheja, Bakaur and terminating at its junction with NH No. 327 near Parsarma in the State of Bihar. | — | — | |||
 NH 527B
|
53.8 | 33.4 | The highway starting from its junction with NH-27 near Darbhanga connecting Aunsi and terminating at its junction with NH-227 near Jaynagar in the State of Bihar. | — | — | |||
 NH 527C
|
64.2 | 39.9 | The highway starting from Majhauli on NH-27 connecting Katra, Jajuar, Pupri and terminating at Charout on NH-227 in the state of Bihar. | — | — | |||
 NH 527D
|
67.2 | 41.8 | The highway starting from its junction with NH-27 near Piprakothi connecting Sagauli, Raxaul, in the State of Bihar and terminating at Indo/Nepal Border. | — | — | |||
 NH 531
|
95.0 | 59.0 | The highway starting from its junction with NH-31 near Chhapra, Siwan and terminating at its junction with NH-27 near Gopalganj in the State of Bihar. | — | — | |||
 NH 722
|
75.0 | 46.6 | The highway starting from its junction with NH-22 near Muzaffarpur connecting Rewaghat and terminating at its junction with NH-31 near Chhapra in the State of Bihar. | — | — | |||
 NH 727
|
112.0 | 69.6 | The highway starting from its junction with NH-27 near Kushinagar in the State of Uttar Pradesh connecting Chhitanuni Rail-cum-Road Bridge, Bagaha, Lauriya, Bettiah and terminating at its junction with NH-527 D near Chhapwa in the State of Bihar. | — | — | |||
 NH 727A
|
4.5 | 2.8 | Uttar Pradesh and terminating at its junction with NH 227A near Mairwa | — | — | |||
 NH 727AA
|
13.0 | 8.1 | The highway starting from its junction with NH-727 near Manuapul connecting Patzirwa, Paknaha in the state of Bihar, Pipraghat and terminating at its junction with NH-730 near Sevrahi in the state of Uttar Pradesh. | — | — | |||
 NH 922
|
138.0 | 85.7 | The highway starting from its junction with NH-22 near Patna connecting Ara, Bhojpur and terminating near Buxar in the State of Bihar. | — | — | |||