National Highways Authority of India (NHAI) is an autonomous authority to develop, maintain, and manage the National Highways of India. There are 228 National Highways in India.
| National Highways | Route |
| NH 1 | Delhi-Ambala-Jalandhar-Ludhiana Amritsar-Indo-Pak Border |
| NH 1A | Jalandhar-Madhopur-Jammu-Banihal-Srinagar Baramula-Uri |
| NH 1B | Batote-Doda-Kistwar-Symthan pass–Kkhanabal |
| NH 1C | Domel-Katra |
| NH 1D | Srinagar-Kargil-Leh |
| NH 2 | Delhi-Mathura-Agra-Kanpur-Allahabad-Varanasi-Mohania Barhi-Palsit-Baidyabati-Bara-Kolkata |
| NH 2A | Sikandra-Bhognipur |
| NH 3 | Agra-Gwalior-Shivpuri-Indore-Dhule-Nasik- Thane–Mumbai |
| NH 4 | Junction with NH 3 near Thane-Pune-Bel gaum-Hubli-Bangalore-Kolar-Chittoor-Ranipet-Chennai |
| NH 4A | Belgaum-Anmod-Ponda-Panaji |
| NH 4B | Nhava Sheva-Kalamboli-Palspe |
| NH 5 | Junction with NH 6 near Baharagora-Cuttack-Bhubanes war-Visakhapatnam-Vijayawada-Guntur-Nellore-Chennai |
| NH 5A | Junction NH 5 near Haridaspur Paradip Port |
| NH 6 | Hajira-Dhule-Nagpur-Raipur-Sambalpur- Baharagora-Kolkata |
| NH 7 | Varanasi-Mangawan-Rewa-Jabalpur-Lakhnadon-Nagpur-Hyderabad-Kurnool-Bangalore-Hosur-Krishna giri-Dharma puri -Salem-Namakkal-Karur-Dindigul-Madurai-Virudunagar-Tirunelveli-Kanyakumari |
| NH 7A | Palayamkottai-Tuticorin Port |
| NH 8 | Delhi-Jaipur-Ajmer-Udaipur-Ahmedabad-Vadodra–Mumbai |
| NH 8A | Ahmedabad-Limbdi-Morvi-Kandla Mandvi |
| NH 8B | Bamanbore-Rajkot-Porbandar |
| NH 8C | Chiloda-Gandhinagar-Sarkhej |
| NH 8D | Jetpur–Somnath |
| NH 8E | Somnath–Bhavnagar |
| NH NEI | Ahemedabad-Vadora Expway |
| NH 9 | Pune-Solapur-Hyderabad-Vijayawada Machillipatnam |
| NH 10 | Delhi-Fazilka-Indo-Pak Border |
| NH 11 | Agra-Jaipur–Bikaner |
| NH 11A | Manoharpur-Dausa-Latsot-Kothum |
| NH 12 | Jabalpur-Bhopal-Khilchipur-Aklera-Jhalawar-Kota-Bundi-Devli-Tonk–Jaipur |
| NH 12A | Jabalpur-Mandla-Chilpi-Simga near Raipur–Jhansi |
| NH 13 | Solapur-Chitradurga-Shimoga–Mangalore |
| NH 14 | Beawar-Sirohi–Radhapur |
| NH 15 | Pathankot-Amritsar-Bhatinda-Ganganagar-Bikaner-Jaisalmer-Barmer-Samakhiali(Near Kandla) |
| NH 16 | Nizamabad-Mancherial- Bhopalpatnam– Jagdalpur |
| NH 17 | Panvel-Mahad-Panaji-Karwar-Udupi-Suratkal-Mangalore-Cannanore-Kozhikode-Ferokh-Pudu-Ponnani-Chowghat-Kannur-Junction with NH 47 near Edapally |
| NH 17A | Junction with NH 17 near Cortlam-Murmugao |
| NH 17B | Ponda-Verna-Vasco |
| NH 18 | Junction with NH 7 near Kurnool-Nandyal-Cuddapah-Junction with NH 4 near Chittoor |
| NH 19 | Ghazipur-Balia-Patna |
| NH 20 | Pathankot-Mandi |
| NH 21 | Junction NH 22 near Chandigarh-Ropar- Bilaspur-Mandi-Kulu-Manali |
| NH 21A | Pinjore-Nalagarh-Swarghat |
| NH 22 | Ambala-Kalka-Shimla-Narkanda-Rampur-Indo China Border near Shipkila Length in State(km): |
| NH 23 | Chas-Ranchi-Rourkela-Talcher-Junction with NH 42 |
| NH 24 | Delhi-Moradabad-Bareilly–Lucknow |
| NH 24A | Bakshi Ka Talab-Chenhat(NH 28) |
| NH 25 | Lucknow-Kanpur-Jhansi-Shivpuri |
| NH 25A | Km-19 (NH 25)-Bakshi Ka Talab |
| NH 26 | Jhansi-Lakhandon |
| NH 27 | Allahabad-Mangawan |
| NH 28 | 93 Junction with NH 31 Near Barauni- Muzaffarpur-Pipra-Kothi-Gorakhpur-Lucknow |
| NH 28A | Junction with NH 28 near Pipra-Kothi- Sagauli-Raxaul-Indo-Nepal Border |
| NH 28B | Chapwa-Bettiah-Lauriya-Bagaha- Chhitauni up to U.P.Border |
| NH 29 | Gorakhpur-Ghazipur–Varanasi |
| NH 30 | Junction:NH 2 near Mohania-Patna-Bakhtiarpur |
| NH 30A | Phatuha-Chandi-Hamaut-Barh |
| NH 31 | Junction with NH 2near Barhi-Bhaktiarpur- Mokameh-Purnea-Dalkola-Siliguri-Sevok-Cooch Behar-North Salmara-Nalbari-Charali-AminGaon Junction with NH 37 |
| NH 31A | Sevok-Gangtok |
| NH 31B | North Salmara-Junction with NH 37 near Jogighopa |
| NH 31C | Near Galgalia-Baghdogra-Chalsa Nagarkata-Goyerkata-Dalgaon-Hasimara-Rajabhat Khawa-Kochgoan-Sidili-Junction with NH 31 near Bijni |
| NH 32 | Junction with NH 2 near Gobindpur-Dhanbad–Jamshedpur |
| NH 33 | Junction with NH 2 near Barhi-Ranchi Junction with NH 6 near Baharagora |
| NH 34 | unction NH 31 near Dalkola-Behrampore-Barasat–Kolkata |
| NH 35 | Barasat-Bangaon-Indo Bangladesh Border |
| NH 36 | Nowgong-Dimapur(Manipur Road) |
| NH 37 | Junction with NH 31B near Goalpara-Guwahati-Jorabat-Kamargaon-Makum-Saikhoaghat |
| NH 37A | Kuarital-Junction with NH 52 near Tezpur |
| NH 38 | Mukum-Ledo-Lekhapani |
| NH 39 | Numaligarh-Imphal-Palel-Indo Burma Border |
| NH 40 | Jorbat-Shillong-Indo Bangladesh Border near Dawki-Jowai |
| NH 41 | Junction with NH 6 near Kolaghat-Haldia Port |
| NH 42 | Junction with NH 6 Sambalpur Angul Junction with NH 5 near Cuttack |
| NH 43 | Junction Raipur-Jagdalpur-Vizianagaram Junction with NH 5 near Natavalasa |
| NH 44 | Shillong-Passi-Badarpur-Agartala-Sabroom |
| NH 44A | Aizawl-Manu |
| NH 45 | Chennai-Tambaram-Tindivanam Villupuram -Trichy or Tiruchirapalli-Manapparai-Dindigul-Periyakulam–Theni |
| NH 45A | Villupuram-Pondicherry-Chidambaram -Nagapattinam |
| NH 45B | Trichy or Tiruchirapalli-Viralimalai-Melur- Madurai- Tuticorin |
| NH 45C | The highway starting from its junction with NH 67 near Thanjavur-connecting Kumbakonam-Sethiyathope-Vadalur-Neyveli Township-Panruti and terminates near Vikravandi on NH-45 |
| NH 46 | Krishnagiri-Ranipet |
| NH 47 | Salem-Erode-Coimbatore-Palghat-Trichur- Ernakulam-Quilon-Trivandrum-Nagercoil-Kanyakumari |
| NH 47A | Junction with NH 47 Willington Island |
| NH 48 | Bangalore-Hassan–Mangalore |
| NH 49 | Cochin-Madurai-Dhanushkodi |
| NH 50 | Nasik-Junction with NH 4 near Pune |
| NH 51 | Paikan-Tura-Dalu |
| NH 52 | Baihata-Charali-Tezpur-Bander Dewa–North Lakhimpur-Pasighat-Tezu-Sitapani Junction with NH 37 near Saikhoahat |
| NH 52A | Bandar Dewa-Itanagar–Gohpur |
| NH 52B | Kulajan-Dibrugarh |
| NH 53 | Junction with NH 44 near Badarpur-Jirig hat-Silchar-Imphal |
| NH 54 | Dabaka-Lumding-Silchar-Aizwal–Tuipang |
| NH 54A | Theriat-Lungiei |
| NH 54B | Venus Saddle–Saiha |
| NH 55 | Siliguri–Darjeeling |
| NH 56 | Lucknow–Varanasi |
| NH 56A | Chenhat(NH 28)-Km16(NH 56) |
| NH 56B | Km15 (NH 56)-km 6(NH 25 |
| NH 57 | Muzaffarpur-Darbhanga-Forbesganj– Purnea |
| NH 57A | Junction of NH 57 near Forbesganj- Jogbani |
| NH 58 | Delhi-Ghaziabad-Meerut-Haridwar- Badrinath-Mana Pass |
| NH 59 | Ahmedabad-Godhra-Dhar-Indore |
| NH 59A | Indore–Betul |
| NH 60 | Balasor-Kharagpur-Asansol |
| NH 61 | Kohima-Wokha-Mukokchung-Jhanji |
| NH 62 | Damra-Baghmara-Dalu |
| NH 63 | Ankola-Hubli-Hospet-Gooty |
| NH 64 | Chandigarh-Rajpura-Patiala-Sangrur- Bhatinda-Dabwali |
| NH 65 | Ambala-Kaithal-Hissar-Fatehpur-Jodhpur- Pali |
| NH 66 | Pondy-Tindivanam-Gingee- Thiruvanna malai–Krishnagiri |
| NH 67 | Nagapattinam-Trichy or Tiruchirapalli- Karur-Coimbatore |
| NH 68 | Ulundrupet-kallakuruchi-Attur-vazhapadi – Salem |
| NH 69 | Nagpur-Obedullaganj |
| NH 70 | Jalandhar-Hoshiarpur-Hamirpur-Dharmapur -Mandi |
| NH 71 | Jalandhar-Moga-Sangrur-Rohtak–Bawal |
| NH 71A | Rohtak-Panipat |
| NH 72 | Ambala-Nahan-Panota Sahib-Dehradun- Haridwar |
| NH 72A | Chhutmalpur-Biharigarh-Dehradun |
| NH 73 | Roorkee-Saharanpur-Yamuna Nagar- Saha-Panchkula |
| NH 74 | Route:Haridwar-Nagina-Kashipur- Kichcha-Pilibhit-Bareilly |
| NH 75 | Gwalior-Jhansi-Chhatarpur-Rewa-Renukut -Garwa-Daltonganj-Ranchi |
| NH 76 | Pindwara-Udaipur-Mangalwar-Kota-Shivpuri-Jhansi- Banda-Allahabad |
| NH 77 | Hajipur-Sitamarhi-Sonbarsa |
| NH 78 | Katni-Shahdol-Ambikapur-Jashpurnagar- Gumla |
| NH 79 | Ajmer-Nasirabad-Neemuch-Mandsaur– Indore |
| NH 79A | Kishangarh(NH 8)-Nasirabad(NH 79) |
| NH 80 | Mokameh-RajMahal-Farrakka |
| NH 81 | Kora-Katihar–Malda |
| NH 82 | Gaya-Bihar Shrif-Mokameh |
| NH 83 | Patna-Jahanabad-Gaya-Bodhgaya-Dhobi |
| NH 84 | Arrah-Buxar |
| NH 86 | Kanpur-Chhatarpur-Sagar-Bhopal–Dewas |
| NH 87 | Rampur-Pantnagar-Haldwani–Nainital |
| NH 88 | Simala-Bilaspur-Hamirpur-Bhawan-NH 20 |
| NH 90 | Baran–Aklera |
| NH 91 | :Ghaziabad-Aligarh-Eta-Kannauj-Kanpur |
| NH 92 | Bhongaon-Etawah–Gwalior |
| NH 93 | Agra-Aligarh-Babrala-Chandausi-Moradabad |
| NH 94 | Hrishikesh-Ampata-Tehri-Dharasu- Kutha nur-Yamnotri |
| NH 95 | Kharar(Chandigarh)-Ludhiana-Jagaron– Ferozepur |
| NH 96 | Faizabad-Sultanpur-Pratapgarh-Allahabad |
| NH 97 | Ghazipur-Zamania–Saiyedraja |
| NH 98 | Patna-Aurangabad–Rajhara |
| NH 99 | Dobhi-Chatra–Chandwa |
| NH 100 | Chatra-Hazaribagh–Bogoda |
| NH 101 | Chhapra-Baniapur-Mohamadpur |
| NH 102 | Chhapra-Rewaghat–Muzaffarpur |
| NH 103 | Hajipur–Mushrigharari |
| NH 104 | Chakia-Sitamarhi-Jaynagar-Narharia |
| NH 105 | Darbhanga-Aunsi–Jaynagar |
| NH 106 | Birpur-Madhepura–Bihpur |
| NH 107 | Maheshkhunt-Sonbarsaraj-SimriBakhtia rur-Bariah-Saharsa-Madhepura-Purnea |
| NH 108 | Dharas-Uttarkashi-Yamnotri–Dham |
| NH 109 | Rudraprayag-Guptkashi-Gangotri Dham |
| NH 110 | Darbhanga-Aunsi–Jaynagar |
| NH 119 | Pauri-Najibabad-Meerut |
| NH 150 | Aizwal-Churachandpur-Imphal-Ukhrul Jessami-Kohima |
| NH 151 | Karimganj-Indo-Bangladesh border |
| NH 152 | Patacharkuchi-Indo-Bhutan Border |
| NH 153 | Ledo-Lekhapani-Indo-Myanmar-Border |
| NH 154 | :Dhaleswar-Bhairabi-Kanpui |
| NH 200 | Raipur-Bilaspur-Raigarh-Kanaktora- Jharsuguda-Kochinda-Deogarh-Talcher-Chandhikhole |
| NH 201 | Borigumma-Bolangir-Bargarh |
| NH 202 | Hyderabad–Warangal-Venkatpuram- Bhopalpatnam |
| NH 203 | Bhubaneswar-Puri |
| NH 204 | Ratnagiri-Kolhapur |
| NH 205 | Anantpur-Renigunta-Chennai |
| NH 206 | Tumkur-Shimoga-Honnavar |
| NH 207 | Hosur-Sarjapur-Devanhalli-Nelamangala |
| NH 208 | Kollam-kundara-kottarakkara-Punalur- Thenmala-Aryankavu-Sengottai-Tenkasi-Rajapalayam- Thirumangalam(Madurai) |
| NH 209 | Dindigul-Pollachi-Palani-Coimbatore- Annur-Kollegal–Bangalore |
| NH 210 | Trichy or Tiruchirapalli-Pudukottai- Devakottai-Ramanathapuram |
| NH 211 | Solapur-Osmanabad-Aurangabad–Dhule |
| NH 212 | Kozhikode-Mysore–Kollegal |
| NH 213 | Palghat-Kozhikode |
| NH 214 | Kathipalli-Kakinada–Pamarru |
| NH 215 | Panikoli-Keonjhar–Rajamundra |
| NH 216 | Raigarh-Sarangarh-Saraipali |
| NH 217 | Raipur-Gopalpur |
| NH 218 | Bijapur-Hubli |
| NH 219 | Madanapalle-Kuppam-Krishnagiri |
| NH 220 | Kollam-kottarakkara-Adoor-Kottayam- Pambadi-Ponkunnam-Kanjirappalli-Mundakayam-Pirumedu- Vandipperiyar-Kumily-Theni |
| NH 221 | Vijaywada-Bhadrachalam–Jagdalpur |
| NH 222 | Kalyan-Ahmednagar-Parbhani-Nanded -Nirmal |
| NH 223 | Port Blair-Baratang-Mayabunder |
| NH 224 | Khordha-Nayagarh-Sonapur-Balangir |
| NH 226 | Thanjavur-Manamadurai |
| NH 227 | Tiruchirapalli-Chidambaram |
| NH 228 | Sabarmati Ashram-Nadiad-Anand-Surat-Navsari-Dandi |
