 In central Frostburg, Main Street intersects MD 936, an old alignment of MD 36.Continuing eastward from Frostburg, traffic density decreases, to an AADT of 13,585 at the MD 55 intersection, staying between 13,000 and 15,000 for the remainder of the highway.Alt US 40 passes through Eckhart Mines, where it intersects MD 638, which connects with MD 36 north of Frostburg.