Thailand Route 357, TH-340 to TH-3531

Location: Ring Rd and Route 3531, Suphan Buri

No reassurance shield after Route 340.

Location: Ring Rd and Route 3531, Suphan Buri

Follow 3531 north into downtown Suphan Buri.

 S to TH-3260, N to TH-33

 N to TH-3431

 S to TH-3263, N to TH-33