A 47-mile-long (76 km) state highway in central Iowa, Iowa Highway 330 runs northeasterly from Altoona past Albion, to just north of Marshalltown in Marshall County. Originally the two-lane, unpaved Iowa Highway 88 in the 1930s, and later Iowa Highway 64 until 1969, Highway 330 is now a four-lane divided expressway along much of its length. In conjunction with US 65, Iowa Highway 14 and U.S.
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