Road Karunagappally is on the Kanyakumari-Kochi-Panvel
National Highway 66 route. In taluk, Oachira to Neendakara is accessible through this same highway. Main road transport is provided by State owned
Kerala State Road Transport Corporation (KSRTC) and private transport bus operators. KSRTC Bus Station is situated in the heart of the town, on the National Highway 66. Buses are available from Karunagappally to Kollam, Thiruvananthapuram, Alappuzha, Ernakulam, Thrissur, Kottayam, Kayamkulam, Shasthamkotta, Harippad, Kottarakkara, Kodungallur, Guruvayur, etc. Local services are also available to destinations throughout the district. The station operates Super Fast, Fast Passenger, Non AC low-floor, Venad and Ordinary buses. Road transport is also supported by private taxis and autorickshaws, also called as autos.
Rail Karunagappalli railway station, (KPY) is a NSG 4 category railway station situated in Edakkulangara. It lies on the Kollam-Kayamkulam rail route of the Thiruvananthapuram-Ernakulam railway line and is only 1.5 km far from the KSRTC bus station. Auto rickshaws are available from and to the railway station. Buses are available to railway station bus stop every 15 minutes (150 meters from station). Also buses are available from town to Alumoodu Jn. bus stop every 5 minutes, which is only 700 meters away from KPY railway station. There are 32 express and 18 passenger trains are available from here. Mumbai (Lokamanyathilak)-Thiruvananthapuram-Lokamanyathilak
Netravati Express, Kanyakumari-Bangalore-Kanyakumari
Island Express, TVC-Hydrabad-TVC
Sabari Express, Kanyakumari-Mumbai-Kanyakumari
Jayanthy Janatha Express, Nagarcoil-mangalur-Nagarcoil
Ernad Express, TVC-Mangalur-TVC
Maveli Express, TVC-Ernakulam-TVC
Vanchinad Express, Nagarcoil-mangalur-Nagarcoil
Parasuram Express, TVC-Shornur-TVC
Venad Express, TVC-Mangalur-TVC
Malabar Express, TVC-palakkad-TVC
Amritha Express,
Rajya Rani Express, Thiruvananthapuram-Guruvayoor-TVC Intercity Express,
Kollam - Visakhapatnam Express, Trivandrum-Mangalapuram-Trivandrum Express and Punalur Palakkad
Palaruvi Express are the main train connections. Around 50 trains have stop here in both directions. Station Code: KPY.
Air Trivandrum International Airport is the nearest airport and is accessible via the National Highway 66. ==Politics==