 The portion of Hammonds Ferry Road through Linthicum from MD 170 to the bridge across the Patapsco River was built as a wide concrete road in 1929 and later marked as MD 167.The MD 167 portion of Hammonds Ferry Road was transferred back to county maintenance in 1961 or 1962.MD 167 was reassigned to Hammonds Ferry Road from MD 176 to MD 170 in 1969.