 US 15 Business continues north into the Emmitsburg Historic District, where the highway intersects MD 140 (Main Street) and passes St. Euphemia's School and Sisters' House.The business route veers northeast and crosses Flat Run before approaching its northern terminus at US 15.Traffic from northbound US 15 Business to northbound US 15 is required to follow the ramp to southbound US 15 and turn around at US 15's interchange with MD 140.