A special traffic plan has been announced in Colombo in view of the Annual Gangaramaya Navam Maha Perahera. Special arrangements have been made to conduct the annual Navam Maha Perahera of the Hunupitiya Gangaramaya Temple in Colombo. Ramanayake Mawatha. The procession will then turn right at the Sir James Peiris Mawatha Junction, proceed along Sir James Peiris Mawatha, turn right at the Ultrare Avenue Junction, and continue along Ultrare Avenue to the Staple Street Junction. Ramanayake Mawatha Junction and W.A.D.