<P> Bihar has length of 3,537 km National highways . </P> <Table> <Tr> <Th> NH </Th> <Th> Route inside Bihar </Th> <Th> Complete Route </Th> <Th> Length in State (km) </Th> <Th> Total Length </Th> </Tr> <Tr> <Td> </Td> <Td> Uttar Pradesh border--Mohania--Kudra--Sasaram--Dehri--Aurangabad--Madanpur--Dobhi--Barachati--Jharkhand border </Td> <Td> Delhi--Mathura--Agra--Kanpur--Allahabad--Varanasi--Mohania--Barhi--Palsit--Baidyabati--Calcutta </Td> <Td> Delhi (12), Haryana (74), Uttar Pradesh (752), Bihar (202), Jharkhand (190), West Bengal (235) </Td> <Td> 1465 </Td> </Tr> <Tr> <Td> 19 </Td> <Td> Uttar Pradesh border--Manjhi--Chhapra--Sonpur--Hajipur--Patna </Td> <Td> Ghazipur--Balia--Manjhi--Chhapra--Sonpur--Hajipur--Patna </Td> <Td> Bihar (120), Uttar Pradesh (120) </Td> <Td> 240 </Td> </Tr> <Tr> <Td> 28 </Td> <Td> Junction with NH 31--Barauni--Bachwara--Tajpur--Muzaffarpur--Mehsi--Chakia--Gopalganj--Uttar Pradesh border </Td> <Td> Junction with NH 31--Barauni--Muzaffarpur--Pipra--Kothi--Gorakhpur--Lucknow </Td> <Td> Bihar (259), Uttar Pradesh (311) </Td> <Td> 570 </Td> </Tr> <Tr> <Td> 28A </Td> <Td> Junction with NH 28--Pipra--Kothi--Sagauli--Raxaul--Indo - Nepal Border </Td> <Td> Junction with NH 28--Pipra--Kothi--Sagauli--Raxauli--Indo - Nepal border </Td> <Td> Bihar (68) </Td> <Td> 68 </Td> </Tr> <Tr> <Td> 28B </Td> <Td> Chapra--Bettiah--Lauriya--Bagaha--Chhitauni--Uttar Pradesh Border </Td> <Td> Chapra--Bettiah--Lauriya--Bagaha--Chhitauni--Uttar Pradesh border </Td> <Td> Bihar (121) </Td> <Td> 121 </Td> </Tr> <Tr> <Td> 30 </Td> <Td> Junction with 2--Mohania--Kochas--Dinara--Bikramganj--Arrah--Danapur--Patna--Fatuha--Bakhtiarpur </Td> <Td> Junction with NH 2--Mohania--Arrah--Patna--Bakhtiarpur </Td> <Td> Bihar (230) </Td> <Td> 230 </Td> </Tr> <Tr> <Td> 30A </Td> <Td> Fatuha--Chandi--Harnaut--Barh </Td> <Td> Fatuha--Chandi--Harnaut--Barh </Td> <Td> Bihar (65) </Td> <Td> 65 </Td> </Tr> <Tr> <Td> 31 </Td> <Td> Jharkhand border--Rajauli--Nawada--Bihar Sharif--Bakhtiarpur--Barh--Mokameh--Barauni--Begusarai--Balia--Khagaria--Bihpur--Kursela--Purnia--Baisi--West Bengal--Kishanganj--West Bengal border </Td> <Td> Junction with NH 2--Barhi--Bakhtiarpur--Mokameh--Purnea--Dalkola--Siliguri--Sevok--Cooch Behar--North Salmara--Nalbari--Charali--Amingaon Junction with NH 37 </Td> <Td> Bihar (393), West Bengal (366), Assam (322), Jharkhand (44) </Td> <Td> 1125 </Td> </Tr> <Tr> <Td> 57 </Td> <Td> Muzaffarpur--Darbhanga--Jhanjharpur--Narahia--Narpatganj--Forbesganj--Araria--Purnia </Td> <Td> Muzaffarpur--Darbhanga--Jhanjharpur--Narahia--Narpatganj--Forbesganj--Araria--Purnia </Td> <Td> Bihar (310) </Td> <Td> 310 </Td> </Tr> <Tr> <Td> 57A </Td> <Td> Junction with 57--Forbesganj--Jogbani </Td> <Td> Junction with NH 57--Forbesganj--Jogbani </Td> <Td> Bihar (15) </Td> <Td> 15 </Td> </Tr> <Tr> <Td> 77 </Td> <Td> Hajipur--Muzaffarpur--Sitamarhi--Sonbarsa </Td> <Td> Hajipur--Muzaffarpur--Sitamarhi--Sonbarsa </Td> <Td> Bihar (142) </Td> <Td> 142 </Td> </Tr> <Tr> <Td> 80 </Td> <Td> Mokamah--Luckeesarai--Munger--Bhagalpur--Kahalgaon--Jharkhand border </Td> <Td> Mokamah--Luckeesarai--Munger--Bhagalpur--Kahalgaon--Rajmahal--Farrakka </Td> <Td> Bihar (200), Jharkhand (100), West Bengal (10) </Td> <Td> 310 </Td> </Tr> <Tr> <Td> 81 </Td> <Td> Kora--Katihar--Malda--West Bengal border </Td> <Td> Kora--Katihar--Malda--West Bengal Border </Td> <Td> Bihar (45), West Bengal (55) </Td> <Td> 100 </Td> </Tr> <Tr> <Td> 82 </Td> <Td> Gaya--Hisua--Rajgir--Bar Bigha--Bihar Sharif--Mokameh </Td> <Td> Gaya--Hisua--Rajgir--Bar Bigha - Bihar Sharif--Mokameh </Td> <Td> Bihar (130) </Td> <Td> 130 </Td> </Tr> <Tr> <Td> 83 </Td> <Td> Patna--Jehanabad--Bela--Gaya--Bodhgaya--Dobhi </Td> <Td> Patna--Jehanabad--Bela--Gaya--Bodhgaya--Dobhi </Td> <Td> Bihar (130) </Td> <Td> 130 </Td> </Tr> <Tr> <Td> 84 </Td> <Td> Arrah--Buxar </Td> <Td> Arrah--Buxar </Td> <Td> Bihar (60) </Td> <Td> 60 </Td> </Tr> <Tr> <Td> 85 </Td> <Td> Chhapra--Ekma--Siwan--Gopalganj </Td> <Td> Chhapra--Ekma--Siwan--Gopalganj </Td> <Td> Bihar (95) </Td> <Td> 95 </Td> </Tr> <Tr> <Td> 98 </Td> <Td> Patna--Arwal--Daudnagar--Aurangabad--Rajhara--Amba--Jharkhand border </Td> <Td> Patna--Arwal--Daudnagar--Aurangabad--Rajhara--Amba--Jharkhand border </Td> <Td> Bihar (156), Jharkhand (51) </Td> <Td> 207 </Td> </Tr> <Tr> <Td> 101 </Td> <Td> Chhapra--Baniapur--Mohammadpur </Td> <Td> Chhapra--Baniapur--Mohamadpur </Td> <Td> Bihar (60) </Td> <Td> 60 </Td> </Tr> <Tr> <Td> 102 </Td> <Td> Chhapra--Rewaghat--Muzaffarpur </Td> <Td> Chhapra--Rewaghat--Muzaffarpur </Td> <Td> Bihar (80) </Td> <Td> 80 </Td> </Tr> <Tr> <Td> 103 </Td> <Td> Hajipur--Hazrat Jandaha--Mushrigharari </Td> <Td> Hajipur--Hazrat Jandaha--Mushrigharari </Td> <Td> Bihar (55) </Td> <Td> 55 </Td> </Tr> <Tr> <Td> 104 </Td> <Td> Chakia--Madhubani--Jainagar--Shivhar--Sitamarhi--Sursand--Jainagar--Narahia </Td> <Td> Chakia--Madhubani--Jainagar--Shivhar--Sitamarhi--Sursand--Jainagar--Narahia </Td> <Td> Bihar (160) </Td> <Td> 160 </Td> </Tr> <Tr> <Td> 105 </Td> <Td> Darbhanga--Aunsi--Jainagar </Td> <Td> Darbhanga--Aunsi--Jainagar </Td> <Td> Bihar (66) </Td> <Td> 66 </Td> </Tr> <Tr> <Td> 106 </Td> <Td> Birpur--Pipra--Madhepura--Kishanganj--Bihpur </Td> <Td> Birpur--Pipra--Madhepura--Kishanganj--Bihpur </Td> <Td> Bihar (130) </Td> <Td> 130 </Td> </Tr> <Tr> <Td> 107 </Td> <Td> Maheshkhunt--Sonbarsa Raj--Simri - Bakhtiarpur--Bariahi--Saharsa--Madhepura--Banmankhi--Purnia </Td> <Td> Maheshkhunt--Sonbarsa Raj--Simri Bakhtiarur--Bariahi--Saharsa--Madhepura--Banmankhi--Purnia </Td> <Td> Bihar (145) </Td> <Td> 145 </Td> </Tr> <Tr> <Td> 110 </Td> <Td> Junction with NH 98--Arwal--Jehanabad--Bandhuganj--Kako--Ekangarsarai--Bihar Sharif--Junction with </Td> <Td> Junction with NH 98--Arwal--Jehanabad--Bandhuganj--Kako--Ekangarsarai--Biharsharif--Junction with NH 31 </Td> <Td> Bihar (89) </Td> <Td> 89 </Td> </Tr> </Table> <Tr> <Th> NH </Th> <Th> Route inside Bihar </Th> <Th> Complete Route </Th> <Th> Length in State (km) </Th> <Th> Total Length </Th> </Tr>

Total length of national highway in bihar in 2018
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