 It starts from Rama VI road, passing Rama V, Pichai, Nakhon Ratchasima, Samsen roads, then cuts across Si Yan intersection, as far as ends at the Chao Phraya river at the Payap pier.The total distance is 3.185 km (round about one mi).Previously, it was named "Rachawat Road" (ถนนราชวัตร).