People's Drug Stores, Inc. v. Windham

The Rockville Pike is a three-lane state road connecting Rockville, Maryland, and the City of Washington. At Corby’s Hill, about three miles north of Bethesda and about ten miles from Washington, the travelled surface of the road is about thirty feet wide, a twenty-two foot macadam center bordered on each side by a four foot concrete shoulder. Going south from Corby’s entrance at the top of the hill the road slopes down for eight hundred feet at a 5% grade, from that point south for three hundred and seventy-five feet at a 2% grade, then for three hundred and twenty-five feet at a 3.3% grade…