MD 80's old concurrency with U.S. Route 240 (US 240, later MD 355) was paved as a concrete road in 1923. US 240 through Urbana was widened to  by 1930 and resurfaced with bituminous concrete in 1938. The first segment of MD 80 proper built was from MD 27 at Claggettsville west to Penn Shop Road, which was paved as a concrete road in 1925 and 1926.
MD 80's former alignment with U.S. Route 240 (US 240, later MD 355) was converted into a concrete road in 1923. US 240 through Urbana was expanded to  by 1930 and resurfaced with bituminous concrete in 1938. The first segment of MD 80 proper constructed was from MD 27 at Claggettsville west to Penn Shop Road, which was paved as a concrete road in 1925 and 1926.