Question: why lombard street so crooked?
Answer: The design, first suggested by property owner Carl Henry and built in 1922, was intended to reduce the hill's natural 27 percent grade, which was too steep for most vehicles. The crooked block is about 600 feet (180 m) long (412.5 feet (125.7 m) straightline), is one-way (downhill) and is paved with red bricks.