||This article does not cite any sources. (December 2013)
The A3 Highway is an A-Grade trunk road in Sri Lanka. It connects the Peliyagoda with Negombo-Puttalam.
The highway A3 passes through Peliyagoda, Wattala, Mahabage, Kandana, Ja-Ela, Seeduwa, Katunayake, Negombo, Negombo Kochchikade, Bolawatte, Wennapuwa, Katuneriya, Marawila, Mahawewa, Madampe, Kakkapalliya, Chilaw, Arachchikattu, Battuluoya, Mundel, Madurankuliya and Palavi to reach Puttalam.
Coordinates: 7°28′19″N 79°49′42″E / 7.471859°N 79.828354°E