 Fingerboard Road is likely named for a finger-shaped sign pointing toward a cannery in Monrovia, a sign that would have been at the highway's western intersection with MD 75.The MD 75 concurrency next to the fingerboard was the first segment of Fingerboard Road paved around 1921.MD 80's old concurrency with U.S. Route 240 (US 240, later MD 355) was paved as a concrete road in 1923.