Lombard Street is an east–west street in San Francisco, California, that is famous for a steep, one-block section with eight hairpin turns. The street stretches from The Presidio east to The Embarcadero (with a gap on Telegraph Hill). Most of Lombard Street's western segment is a major thoroughfare designated as part of U.S. Route 101. The famous one-block section, claimed to be "the crookedest street in the world", is located along the eastern segment in the Russian Hill neighborhood. It is a major tourist attraction, receiving around two million visitors per year and up to 17,000 per day on busy summer weekends, as of 2015.^[1]

Quick Facts Part of, Namesake ...

Lombard Street

Lombard Street in 2020
Part of	US 101 between Richardson Ave./Broderick St. and Van Ness Avenue
Namesake	Philadelphia's Lombard Street
Maintained by	San Francisco DPW Caltrans (US 101 portion)
Coordinates	37°48′07″N 122°25′08″W
West end	Presidio Boulevard
Major junctions	US 101 Fillmore Street US 101 Columbus Avenue Telegraph Hill Boulevard Gap in route Montgomery Street
East end	The Embarcadero

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San Francisco surveyor Jasper O'Farrell named the road after Lombard Street in Philadelphia.^[2]

Lombard Street's west end is at Presidio Boulevard inside The Presidio; it then heads east through the Cow Hollow neighborhood. For 12 blocks, between Broderick Street and Van Ness Avenue, it is an arterial road that is co-signed as U.S. Route 101. Lombard Street continues through the Russian Hill neighborhood and to the Telegraph Hill neighborhood. At Telegraph Hill it turns south, becoming Telegraph Hill Boulevard to Pioneer Park and Coit Tower. Lombard Street starts again at Winthrop Street and ends at The Embarcadero as a collector road.^[3]

Lombard Street is known for the one-way block on Russian Hill between Hyde and Leavenworth Streets, where eight sharp turns are said to make it the most crooked street in the world. The design, first suggested by property owner Carl Henry^[4] and built in 1922,^[5] was intended to reduce the hill's natural 27 percent grade,^[6] which was too steep for most vehicles. The crooked block is about 600 feet (180 m) long (412.5 feet (125.7 m) straight line), is one-way (downhill) and is paved with red bricks. The sign at the top recommends 5 mph (8 km/h).

The segment normally sees around 250 vehicles per hour, with average daily traffic reaching 2,630 vehicles in 2013.^[1] During peak times, vehicles have to wait up to 20 minutes to enter the Crooked Street segment, in a queue that can reach Van Ness Avenue.^[1] To reduce habitual congestion and delays, future visitors may be required to reserve a time and pay a fee to drive down the crooked street.^[7][8]

The Powell-Hyde cable car stops at the top of the block on Hyde Street.^[9]

By 2017, the area around the curved segment had become a hot-spot of what has been described as "San Francisco's car break-in epidemic."^[10] This may in part have been due to its heavy traffic and association with tourism.

The Academy of Art University owns and operates a building called Star Hall on the street for housing purposes.^[11]

Past residents of Lombard Street include Rowena Meeks Abdy,^[12] an early California painter who worked in the style of Impressionism.^{[citation needed]}

Chase scenes in many films have been filmed on the street, including Good Neighbor Sam, Dr. Goldfoot and the Bikini Machine, What's Up, Doc?, Magnum Force, and Ant-Man and the Wasp. Lombard Street is also portrayed in the 2015 Pixar film Inside Out, and is referenced by Bill Cosby on his 1965 comedy album Why Is There Air?.

The entire route is in San Francisco.

More information mi, km ...

mi	km	Destinations	Notes
		Presidio Boulevard	West end of Lombard Street
		US 101 north (Richardson Avenue) / Broderick Street	West end of US 101 overlap
		Fillmore Street
		Octavia Street
		US 101 south (Van Ness Avenue)	East end of US 101 overlap
		Polk Street
		Hyde Street
		The crookedest street in the world segment
		Leavenworth Street
		Columbus Avenue
		Powell Street
		Stockton Street
		Grant Avenue
		Telegraph Hill Boulevard / Kearny Street
Gap in route
		Montgomery Street
		Embarcadero	East end of Lombard Street
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

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• Looking east down the curvy block of Lombard Street, with the straight section continuing towards Telegraph Hill and Coit Tower
• Looking up Lombard Street
• Traffic caution sign at top of switchbacks recommends a top speed of 5 miles per hour (8.0 km/h)
• Cars exit from lowest switchback section
• Time-exposure photo at night clearly shows the eight switchbacks

• Vermont Street, the other San Francisco street claimed to be the "most crooked"^[13] has seven turns instead of eight, but its hill is steeper than Lombard's.
• Snake Alley in Burlington, Iowa, once recognized by Ripley's Believe It or Not! as "The Crookedest Street in the World". Like Lombard Street, it has eight turns but over a shorter distance.