Location: Route 321 and Route 346, Kamphaeng Saen No reassurance shield after the 346 split. Location: Route 321 and Rd 3018, Wang Nam Khiao Turn left for Rd 3018. Location: Route 321 and Route 3297, Thung Kraphang Hom Shortly thereafter turn left for Route 3297 to Don Tum. Ratchaburi emerges as a control city for … Continue reading Thailand Route 321, TH-346 to TH-3297