They are a section of Phahon Yothin Road from the Saphan Kwai to Lat Phrao intersections, a section of Vibhavadi Rangsit Road from the Sutthisan to Lat Phrao intersections, a section of Ratchadaphisek Road from the Ratchayothin intersection to Bang Sue canal, a section of Lat Phrao Road from Ratchada-Lat Phrao intersection to Bang Sue canal, a section of Kamphaeng Phet Road from an area under Si Rat Expressway to Chatuchak weekend market, and part of Sam Sen Road from Bang Krabue canal to the Kiak Kai intersection.