Ja-Ela is a town, located approximately 20 km (12 mi) north of the city centre of Colombo, Sri Lanka. Ja-Ela lies on the A3 road which overlaps with the Colombo – Katunayake Expressway at the Ja-Ela Interchange.

The Colombo–Katunayake Expressway  E03  is Sri Lanka's second E Class highway. The 25.8-kilometre-long (16.0 mi) highway links the Sri Lankan capital Colombo with Bandaranaike International Airport, Katunayake and Negombo. Construction on the highway began in October 2009, and it was opened on 27 October 2013, by former president Mahinda Rajapaksa. The highway has three lanes each way from Colombo to Peliyagoda, and two lanes each way from Peliyagoda to Katunayake, with the width ranging from 26 to 33.5 metres.