TAGS: roads, streets, avenues, steep streets, steep roads, steep hills, steep avenues,the steepest roads in the world, the steepest avenues in the world, the most steep streets in the world, fantastic steep streets in the world, amazing steep avenues, unique steep roads in the world, Canton Avenue in Pittsburg, Baldwin Street in Dunedin, New Zeeland, Waipio Valley Road in Hawaii, Fargo Street in Los Angeles, Baxter Street in Los Angeles, Eldred Street in Los Angeles, Lombard Street in San Francisco, Vale Street in Bristol, Calle Monroy Street in Spain, Maria Avenue in Spring Valley, California, Filbert Street in San Francisco, California, short description of the Maria Avenue, Spring Valley, California