The A4 Highway also known as the Colombo-Ratnapura-Wellawaya-Batticaloa highway, is the longest highway in Sri Lanka, at Class A & Class B Roads in length. It goes Colombo to Batticaloa, through many important cities in Western, Sabaragamuwa, Uva and Eastern provinces.
The highway passes through Kirulapone, Nugegoda, Delkanda, Navinna, Maharagama, Pannipitiya, Kottawa, Homagama, Godagama, Meegoda, Meepe, Pahathgama, Hanwella, Avissawella, Eheliyagoda, Kuruwita, Ratnapura, Lellopitiya, Pelmadulla, Balangoda, Beragala, Koslanda, Wellawaya, Buttala, Monaragala, Liyangolla, Siyambalanduwa, Hulanuge, Lahugala, Pottuvil, Komari, Thirukovil, Akkaraipattu, Oluvil, Karaitivu, Kalmunai, Periyakallar, Chettipalayam, Arayampathy, and Kattankudy.
Bus Routes
99 - Colombo (Pettah) - Badulla / Passara / Welimada / Lunugala / Bibila 122 – Pettah - Avissawella / Rathnapura / Embilipitiya / Rakwana / Suriyawewa / Kataragama 124 – Maharagama – Ihala Bope 182 - Padukka - Hanwella 74/122 - Maharagama - Kandy 182/122 - Maharagama - Kandy 315 - Horana - Meepe 436/315/182/1 - Aluthgama - Kandy 285/315/182/1 - Matugama - Kandy 315/182/1 - Horana - Kandy 285/315/182/15 - Matugama - Jaffna 285/315/182/15 - Matugama - Anuradhapura 17/57 - Maharagama - Anuradhapura 450/315/182/48 - Panadura - Polonnaruwa 122/182/48 - Maharagama - Polonnaruwa
-Please note that route number 16 is Nawalapitiya - Colombo via Gampola/Peradeniya-
The stretch from Colombo up to Hanwella is known as the High Level Road.
See also List of A-Grade highways in Sri Lanka
References