List of state highways in Kerala
The state highways are arterial routes of a state, linking district headquarters and important towns within the state and connecting them with national highways or Highways of the neighbouring states. There are 83 state highways in Kerala.
| Sl.No | District | State Highways |
| 1 | Trivandrum | 180.36 |
| 2 | Kollam | 123.79 |
| 3 | Alappuzha | 170.841 |
| 4 | Pathanamthitta | 249.194 |
| 5 | Kottayam | 406.531 |
| 6 | Idukki | 998.372 |
| 7 | Ernakulam | 325.206 |
| 8 | Thrissur | 374.033 |
| 9 | Palakkad | 245.987 |
| 10 | Malappuram | 374.764 |
| 11 | Kozhikode | 420.173 |
| 12 | Wayanad | 128.955 |
| 13 | Kannur | 244.665 |
| 14 | Kasaragod | 141.78 |
| Total | 4341.651 |
| State highway No | State highway name | OSM Relation | Route | Passes through - District | Length |
| Main-Central Road | Kesavadasapuram - Vembayam - Venjaramoodu - Kilimanoor - Chadayamangalam- Ayoor -Kottarakara - Adoor - Pandalam - Kulanada - Chengannur - Thiruvalla - Changanassery - Kottayam - Ettumanoor - Kuravilangad - Koothattukulam - Muvattupuzha - Perumbavoor - Kalady - Angamaly | Thiruvananthapuram, Kollam, Pathanamthitta, Alappuzha, Kottayam, Ernakulam | 240.6 | ||
| Kazhakoottam - Venjaramoodu Main-Central Road Bypass | Kazhakoottam - Pothencode - Venjaramoodu | Thiruvananthapuram | 13 | ||
| Thiruvananthapuram - Thenmala Highway | Thiruvananthapuram - Peroorkada - Nedumangad - Chullimanoor - Palode - Madathara - Kulathupuzha - Thenmala | Thiruvananthapuram - Kollam | 73.2 | ||
| Nedumangad - Aruvaimozhi Highway | Nedumangad Toll Junction - Aryanad - Paruthipally - Vazhichal - Kudappanamoodu -Kathipara - Kadukkara - State boundary | Thiruvananthapuram | 37.5 | ||
| Kollam-Aryankavu | Declared as NH 744 now | Kollam - Aryankavu | - | ||
| Kayamkulam - Pathanapuram Highway | Kayamkulam - Kattanam -Charummod - Nooranad - Adoor - Kallumkadavu Junction | Alappuzha - Pathanamthitta - Kollam | 42.5 | ||
| Kayamkulam - Thiruvalla Highway | Kayamkulam - Chettikulangara - Pela - Mavelikkara - Chennithala - Mannar - Parumala - Pulikeezhu - Kavumbhagom - Thiruvalla | Alappuzha - Pathanamthitta | 30.8 | ||
| Thiruvalla - Kumbazha Highway | SH 8 | Pathanamthitta | 32.8 | ||
| Main Eastern Highway | Pallimikku Junction - Pathanapuram - Kallumkadavu Junction - Kalanjoor - Koodal - Konni junction, Konni- Kumbazha - Mylapra - Mannarakulanji - Uthimmoodu - Mandiram - Ranni - Makkapuzha - Ponthanpuzha - Karikkattoor - Manimala - Cheruvally - Ponkunnam - Elamgulam - Pala - Thodupuzha - Vazhakulam - Nirmala College junction - Muvattupuzha | Kollam - Pathanamthitta - Kottayam - Idukki - Ernakulam | 153.6 | ||
| Kottayam - Kozhencherry Highway | Kanjikuzhi - Puthupally - Karukachal - Mallappally - Vennikulam - Pullad | Kottayam - Pathanamthitta | 44.4 | ||
| Mavelikkara - Kozhencherry Highway | Mavelikkara - Puthiyacavu - Kollakadavu - Cheriyanad - Puliyoor - Perissery - Chengannur - Puthencavu - Arattupuzha - Malakkara - Edayaranmula - Aranmula - Thekkemala Junction | Alappuzha - Pathanamthitta | 28.7 | ||
| Alappuzha - Changanassery Highway | Alappuzha - Pazhaveedu - Pallathuruthy - Nedumudy - Mancombu - Ramankari - Kidangara - Changanassery | Alappuzha - Kottayam | 24.2 | ||
| Ambalapuzha - Thiruvalla Highway | Ambalapuzha - Thakazhy - Edathua - Thalavady - Podiyadi Junction joins - Thiruvalla | Alappuzha - Pathanamthitta | 27.2 | ||
| Kottayam-Kumily | Declared as NH 183 now | Kottayam - Idukki | |||
| Erattupetta - Peermade Highway | Erattupetta - Vellikulam - Wagamon - Road joins with Pullikkanam Elappara road Pattithanam junction | Kottayam - Idukki | 24.3 | ||
| Ettumanoor - Ernakulam Highway | Ettumanoor - Kothanalloor - Kuruppanthara - Kaduthuruthy- Thalayolaparambu- Vaikom - Udayamperoor - Thripunithura - Vyttila - Pallimukku Junction | Kottayam - Ernakulam | 57.3 | ||
| Aluva-Munnar Road | Aluva - Chembarakky - Ponjassery - Perumbavoor - Kuruppumpady - Kothamangalam - Neriamangalam - Adimali - Munnar | Ernakulam - Idukki | 114.4 | ||
| Northern outlet road (Munnar Udumalpet road) | Munnar - Road to Rajamudi - Anakkalpetty road - Chinnar river Road continues to Udumalaipettai | Idukki | 59.1 | ||
| Munnar - Top Station Highway | Munnar - Madypatty dam - Indo Swiss Project Gate - Top Station - State boundary - Road continues to Tamil Nadu as part of Kodaikanal–Munnar Road | Idukki - Kerala Tamil Nadu border | 32.1 | ||
| Munnar - Kumily Highway | Munnar - Devikolam town - Poopara - Kumbanpara road starts - Pooppara - Bodimettu road starts - Santhanpara Jn - Udumbumchola town - Vattappara junction - Amaravathy - Kumily | Idukki | 106.0 | ||
| Tripunithura - Kothamangalam Rd | Declared as NH 49 on 1989 | Ernakulam | |||
| Chalakudy - Anamala Highway | Chalakudy - Athirappilly - Vazhachal - Peringalkuthu - Approach road to Sholayar Power House - Anamala - State boundary | Thrissur - Palakkad | 86.0 | ||
| Kodungallur - Shornur Highway | Kodungallur - Irinjalakuda crosses SH 61- Pallisseri - Joins NH 47 - Joins NH 17 - Paramekkavu temple - Viyyur - Mulamkunnathukavu - Vadakkancherry - Cheruthuruthy junction - joins SH 23 Shornur - Perinthalmanna Highway | Thrissur, Palakkad | 70.5 | ||
| Shornur - Perinthalmanna Highway | Shornur Railway Station - Rice Research Station, Pattambi - Pollachi road takes off - Sankaramangalam junction - Cherukara - Perinthalmanna junction - joins SH 24 | Palakkad - Malappuram | 39.3 | ||
| Kozhikode - Palakkad | Declared as NH 213 on 2000 | Kozhikode - Malappuram - Palakkad | |||
| Tattamangalam- Chittur Nattukal Highway | Mettupalayam junction, Tattamangalam- Chittur - Nattukal junction SH 26 | Palakkad | 14.2 | ||
| Nattukal - Velanthavalam Highway | Nattukal junction - Palakkad - Pollachi road - Velanthavalam junction - road continues to Tamil Nadu | Palakkad - Kerala - Tamil Nadu border | 11.6 | ||
| Palakkad- Koduvayur - Tattamangalam - Meenakshipuram highway | Palakkad Collectorate - Kannady - Koduvayur - Tattamangalam- Mettupalayam junction, Tattamangalam- Ayyappankavu temple - Nanniyode - Meenakshipuram - Gopalapuram - Meenakshipuram road joins - Kerala State boundary - Road continues to Pollachi in Tamil Nadu | Palakkad | 35.0 | ||
| Valluvambram- Nilambur - Nadukani Highway | Valluvambram -Manjeri - Nilambur - Chungathara- Edakkara - Vazhikadavu - State boundary | Malappuram - Kerala-Tamil Nadu border | 62.6 | ||
| Kozhikode - Vythiri - Gudallur Highway | NH 212 - Malabar Christian College - Civil Station Kozhikode-Kunnamangalam - Padanilam - Thamarassery - LeavesNH212 - Chellot - Chitragiri - State Boundary - Road to Gudallor | Kozhikode - Wayanad - Kerala-Tamil Nadu State border | 97.0 | ||
| Thalassery- Coorg Highway | Thalassery - NH 66 - Kadirur - Nirmalagiri College - Mattannur- Iritty - Koottupuzha - State Boundary | Kannur - Kerala-Karnataka State Border | 55.1 | ||
| Kalladka - Cherkala road | Cherkala - Badiadka junction - SPP Road joins - Adakasthala - State border | Kasargodu - Kerala-Karnataka State Border | 28.8 | ||
| Ettumanoor - Erattupetta - Poonjar road | Athirapuzha landing - SH 1 crosses - Cherpunkal - SH 3 crosses and overlaps - Pala Market - Bharananganam town - Erattupetta town - Poonjar | Kottayam | 37.9 | ||
| Thodupuzha- Puliyanmala road | Thodupuzha junction SH 8 - Muttom - Kuruthikulam - Meenmutty - Painavu junction - Road to Idukki dam takes off - Kattappana junction - Puliyanmala - joins Munnar - Kumily road | Idukki | 92.1 | ||
| Koyilandy - Balussery - Thamarassery - Omassery – Mukkom – Areakode -Edavanna Road | Koyilandy town - Ulliyeri - Balusseri - Poonur -Thamarssery - Omassery - Mukkam - Arekode - joins [SH 29 - Edavanna junction | Kozhikode - Malappuram - Kerala-Tamil Nadu State Border | 70.0 | ||
| Taliparamba – Iritty Road | Taliparamba - Sreekantapuram - Irikkur - Iritty | Kannur | 46.5 | ||
| Adoor - Sasthamkotta road | Adoor - Thuvayoor - Bharanikavu junction - Sasthamkotta junction | Pathanamthitta - Kollam | 18.2 | ||
| Puthiyangadi Kuthuparamba – Chovva bypass | Puthiyangadi – Ulleri – Perambra – Kuttiyadi – Nadapuram – Mekkunnu – Panoor – Koothuparamba – Chovva bypass | Kozhikode - Kannur | 107 | ||
| Perumbilavu - Nilambur Road | Perumbilavu – Koottanad - Pattambi – Perinthalmanna - Pattikkadu–Karuvarakundu – Kalikavu – Nilambur Road | Malappuram - Palakkad - Thrissur | 107.112 | ||
| Alappuzha – Madurai Road | Alappuzha – Muhamma – Thanneermukkam – Vechur Bund Road – Thalayolaparambu – Peruva – Mutholapuram –Marika - Vazhithala – Kolani – Thodupuzha – Vannapram -Thopramkudy – Nedumkandam - Thookkupalam - Cumbummettu | Alappuzha - Kottayam - Idukki - Kerala-Tamil Nadu State Border | 114.815 | ||
| Ernakulam – Thekkady Road | Palarivattom – Kakkanad – Pallikkara – Kizhakkambalam – Pattimattom - Valamboor – Muvattupuzha – Arakuzha - Pandappilly - Manakkad - Thodupuzha - Chottupara – Upputhara – Kumily - Thekkady | Ernakulam - Idukki | 155.1 | ||
| Kumarakom – Cumbammettu – Cumbam Road | Kumarakom – Edayazham – Kallara – Kaduthuruthy – Neezhoor – Elanji - Piravam – Vazhithala – Karimkunnam –Thodupuzha - Velliyamattom – Kulamavu – Cheruthoni – Rajamudi –Thopramkudy -Prakash- Kallar - Cumbammettu – Cumbam | Kottayam - Ernakulam - Idukki | 190.0 | ||
| Muvattupuzha – Theni Road | Muvattupuzha –Kallurkkad – Kodikulam – Idukki – Mariyapuram – Erattayar – Kattappana – Puliyanmala – Chettukuzhi - Cumbammettu – Cumbam - Teni | Eranakulam - Idukki | 105 | ||
| Sabarimala – Neriamangalam Road | Pamba – Chalakayam – Thulappilly -Pambavalley – Mukkootuthara – Erumeli – Koovappally – Kanjirappally – Kappadu – kalaketty - Chemmalamattam– Thidanadu – Erattupetta – Melukavu – Muttom – Thodupuzha – Neriyamangalam | Pathanamthitta - Kottayam - Idukki - Ernakulam | 152 | ||
| Thiruvananthapuram - Ponmudi Road | 61.0 | ||||
| Kilimanoor-Attingal Road | Kilimanoor central junction. - Nagaroor - Vanchiyoor - Alamcode junction | Thiruvananthapuram | 10.7 | ||
| Nedumangad- Attingal Road | Pazhakutty junction - Vembayam -Venjaramoodu - Valakkad- Attingal | Thiruvananthapuram | 27.00 | ||
| Ayoor – Punalur Road | Ayoor-Anchal-Karavaloor-Punalur | Kollam | 20 | ||
| Guruvayoor – Choondal Road | Guruvayoor – Chowallurpady - Choondal | Thrissur | 7.275 | ||
| Chavakkad – Vadakkancherry Road | Chavakkad - Mammiyur-Kottapadi-Kunnamkulam-Marthancode-Pannithadam-Vellarikad-Erumapetty-Wadakancherry | Thrissur | 31.515 | ||
| Kodakara – Kodungallur Road | Kodakara - Aloor Jn crosses SH 61- Ashtamichira- Mala- Keezhthali jn - Kodungallur | Thrissur | 27 | ||
| Palakkad - Pollachi road | Palakkad - Athicode junction - Gopalapuram | Palakkad | 29.9 | ||
| Cherpulassery – Perinthalmanna Road | Cherpulassery junction - Thootha - Perinthalmanna - joins SH 23 | Palakkad - Malappuram | 15.5 | ||
| Kozhikode - Padinjarathara - Kalpetta Highway | Kozhikode - Puthiyangadi – Ulliyeri – Perambra – Poozhithodu – Peruvannamoozhi – Padinjarathara – Kalpetta | Kozhikode - Wayanad | 99.0 | ||
| Cherkkala – Jalsoor Road | Cherkala junction – Mulleria – Adhur – Kottipady - Panachikad | Kasaragod | 39.1 | ||
| Kanhangad – Panathoor Road | Kanhangad – Eriya – Poodamkallu – Rajapuram – Kolichal - Panathoor - Chemberi | Kasaragod | 44.1 | ||
| Kasaragod – Kanhangad Road | Kasaragod – Uduma – Bakel - Pallikkara – Chamandikunnu - Kanhangad South | Kasaragod | 28.0 | ||
| Vadakkancherry – Pollachi Road | Vadakkancherry – Mudapallur – Nemmara – Kollengode – Muthalamada – Govindapuram – ending at Pollachi in Tamil Nadu | Thrissur - Palakkad - Kerala-Tamil Nadu State border | 39 | ||
| Hill Highway (Kerala) Kasaragode Highway | Nandarappadavu - Parassala | Kasargodu - Kannur - Wayanad - Kozhikode - Malappuram - Palakkad-Thrissur - Eranakulam - Idukki - Kottayam - Pathanamthitta - Kollam - Thiruvananthapuram | 1332.16 | ||
| Angadipuram – Pariyapuram – Cherukara Road | Angadipuram – Pariyapuram – Cherukara | Malappuram | 7.61 | ||
| Potta – Moonupeedika Road | Potta starts from NH 544 – Irinjalakuda crosses SH 22 – Padiyur - Moonupeedika meets NH 66 | Thrissur | 27.665 | ||
| Guruvayoor – Althara – Ponnani road | Guruvayoor - Althara – Perumpadappu – Maranchery – Kanjiramukku – Kundukadavu | Thrissur, Malappuram | 28.97 | ||
| Vypeen-Pallippuram road | Vypeen – Njarakkal – Cherai – Pallippuram - Munambam | Eranakulam | 25.5 | ||
| Varkala-Parippally-Madathara road | Varkala-Nadayara-Chavercode-Palayamkunnu-Parippally-Pallickal-Nilamel-Kadakkal-Madathara | Thiruvananthapuram - Kollam | 45 | ||
| Parappanangadi-Areacode road | Parappanangadi – Thirurangadi – AR Nagar – Kondotty – Alinchode - Puthalam junction | Malappuram | 40.45 | ||
| Alappuzha-Arthunkal-Chellanam- Thoppumpady road | Alappuzha - Arthunkal - Chellanam Thoppumpady | Alappuzha - Ernakulam | 51.72 | ||
| Mannarkulanji-Pamba road | Mannarkulanji – Vadasserikkara – Laha – Plappally – Nilackal – Chalakayam - Pampa Thriveni Bridge | Pathanamthitta | 56.75 | ||
| Kappad-Thusharagiri-Adivaram road | Kappad – Atholi Town - Cheekkilode - Nanminda – Narikkuni – Koduvally - Omassery - Kodencheri - Thusharahiri - Adivaram | Kozhikode | 68.11 | ||
| Thrissur-Kuttippuram road | Thrissur – Choondal – Kunnamkulam – Perumpilavu – Naduvattom – Edappal – Thavanoor – Thrikkanapuram | Thrissur, Malappuram | 52.65 | ||
| Karuvarakundu -Melatttur Road | Punnakkad – Iringattiri – Melattoor | Malappuram | 9.82 | ||
| Tirur-Malappuram-Manjeri road | Tirur-vailathur - Edarikode - Kottakkal - Puthur - Mannoor - Vadakkemanna - Malappuram - Panayi - Manjeri | Malappuram | 39.0 | ||
| Malappuram-Parappanangadi road | Malappuram – Panakkad – Vengara - Thirurangadi Joins Areacode Parappanangadi Road | Malappuram | 29 | ||
| Valanchery Nilambur Road | Valanchery -Angadipuram -Wandoor -Vadapuram- Nilambur | Malappuram | 51.41 | ||
| Chelakkara Road | Vazhakode - Chelakkara - Alathur | Thrissur - Palakkad | 33.69 | ||
| Thrissur - Kanjani - Vadanappally Road | Thrissur - Kanjani - Vadanappally | Thrissur | 16.12 | ||
| Kuranchery - Velur Road | Kuranchery - Velur - Kechery | Thrissur | 12.838 | ||
| Lakkidi Road in Thrissur and Palakkad Districts | Lakkidi road-Pambadi Road-Lakkidi Railway Station Road | Palakkad | 11.857 | ||
| Kunnamangalam - Wayanad Tunnel - Kalpetta road | Kunnamangalam - NIT - Agastianmuzhi - Thiruvambady - Anakkampoyil - Wayanad Tunnel - Meppadi - Kalpetta | Kozhikode, Wayanad | 63.138 |