SAN FRANCISCO, CA - MAY 20:  A view of Lombard Street on May 20, 2014 in San Francisco, California. The San Francisco Municipal Transportation Agency Board of Directors is considering a summer shutdown San Francisco's famed Lombard Street, known as the crookedest street in the world, as summer tourist traffic on the scenic street is causing huge backups and posing safety concerns for reisdents. The proposal would close the section between Larkin and Leavenworth streets on Saturdays and Sundays from noon to 6 p.m. beginning on June 21 through July 13 and also on July 4.  (Photo by Justin Sullivan/Getty Images)