Sukhumvit Road

Sukhumvit Road (Thai: ถนนสุขุมวิท, RTGS: Thanon Sukhumwit, pronounced), or Highway 3 (Thai: ทางหลวงแผ่นดินหมายเลข 3), is a major road in Thailand, and a major surface road of Bangkok and other cities. It follows a coastal route from Bangkok to Khlong Yai District, Trat border to Koh Kong, Cambodia. It is one of the four major highways of Thailand, along with Phahonyothin Road (Highway 1), Mittraphap Road (Highway 2) and Phetkasem Road (Highway 4).

Sukhumvit Road is named after the fifth chief of the Department of Highways, Phra Bisal Sukhumvit. The road was opened in 1936.