Route map
National Highways 183 (NH 183) is located in India. It connects Kollam High school Jn in Kerala with Dindigul in Tamil Nadu.[2] Starting from Kollam it runs northwards to Thiruvalla and turns east at Kottayam and runs along the northern border of Periyar Wildlife Sanctuary before crossing the border into Tamil Nadu and end near Dindigul, where it joins NH 83(Coimbatore - Nagapattinam). This highway was previously known as NH 220.
Kollam H.S Jn. → Thevally → Thrikkadavoor → Anchalumoodu → Perinad → Kundara → Chittumala → East Kallada → Bharanikkavu → Chakkuvally → Sooranad North → Anayadi → Thamarakulam → Charummoodu → Chunakkara → Mankamkuzhy → Kochalummoodu → Kollakadavu → Kodukulanji → Anjilimoodu (Mulakkuzha) → Chengannur → Kallissery → Kuttoor→Thiruvalla → Changanassery → Chingavanam → Kottayam → Manarkadu → Pampady → Vazhoor → Ponkunnam → Kanjirapalli → Podimattom → Mundakayam → Peruvanthanam → Kuttikkanam → Azhutha → Peermade → Pambanar → Vandiperiyar → Kumily
Kumuli → Lower Camp → Gudalur → Cumbum → Uthamapalayam → Chinnamanur → Theni → Periyakulam → Batlagundu → Dindigul
A new highway National Highway 183A (India) was declared in March 2014 which runs from Panmana Titanium Junction in (near Kollam) to Mundakkayam via Thevalakkara - Kovoor - Sasthamkotta - Bharanikavu - Kadampanad - Nellimukal - Adoor - Anandapally – Thattayil – Kaipattoor – Omalloor – Pathanamthitta – Mylapra – Kumplampoika – Vadasserikara – Perunad – Lahai - Plappally - Kanamala - Mukkoottuthara - Erumeli - Mundakkayam. This highway is a shorter route to Vandiperiyar from Adoor via, Kaipattoor, Pathanamthitta rather than the long route from Kottayam.