Changhua City
Provincial Highway 14 is an east-west highway that connects Changhua City in Changhua County with Ren'ai, an aboriginal township in Nantou County. The highway is known as Zhongtan Highway (中潭公路) from Caotun to Puli, and Puwu Highway from Puli to Ren'ai. The total length is 99.0 kilometers.