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.
The original route of MD 80 coincided with U.S. Route 240 (US 240, later MD 355) and was upgraded to a concrete road in 1923. US 240 through Urbana was widened and resurfaced with bituminous concrete by 1930 and 1938. The first section of MD 80 built was from MD 27 at Claggettsville west to Penn Shop Road, which was also paved as a concrete road in 1925 and 1926.