Thailand Route 302
|Length:||17.808 km (11.065 mi)|
|Existed:||1985 – present|
|West end:||Bang Yai, Nonthaburi|
Viphavadi Rangsit Road
|East end:||Chatuchak, Bangkok|
|Major cities:||Bang Bua Thong, Mueang Nonthaburi, Lak Si|
Rattanathibet Road (Thai: ถนนรัตนาธิเบศร์) starts at Kanchanaphisek Road (Motorway Route 9) in Sao Thong Hin sub-district, Bang Yai District, Nonthaburi, and runs east through Bang Bua Thong District, passes Bang Kruai - Sainoi Road (Route 3215) at Bang Phu intersection (Thai: ถนนบางกรวย - ไทรน้อย)and Nonthaburi town district, passes Raj Cha Phruk Road (Thai: ถนนราชพฤกษ์) at Bang rak yai intersection and crosses the Chao Phraya River on the Phra Nang Klao Bridge, passes Nonthaburi Road (Thai: ถนนนนทบุรี) (Route 3110) and passes Nonthaburi Bypath Road and continues east until it ends at Khae Rai intersection, where it intersects with Tiwanon Road (Route 306) and the route continues as Ngamwongwan Road.
Ngamwongwan Road (Thai: ถนนงามวงศ์วาน) continues east from Rattanathibet Road at Khae Rai intersection in Nonthaburi, crossing into Bangkok at Lak Si District, then passing through Chatuchak District, ending at Kaset intersection, where it intersects with Phahonyothin Road. Via a bypass tunnel beneath Kasetsart, the road continues as Prasoet Manukit Road (Thailand Route 351).
Ngamwongwan Road is named for Damrong Ngamwongwan (Thai: ดำรง งามวงศ์วาน), a Department of Highways engineer who oversaw construction of the road. It was a policy of the Plaek Phibunsongkhram government that new roads be named for their chief engineers.
- Highway information database, Department of Highways (in Thai). Retrieved on August 7, 2009.
- Thailand Route 302 on Google Maps.