

Passengers on a London bus are silhouetted at sunset in London on Jan. 26, 2012. Stefan Wermuth/Reuters
Backdropped by the Statue of Liberty, the Staten Island Ferry approaches Manhattan, New York, April 19, 2012. Lefteris Pitarakis/AP
A young couple plays with their baby as they sit in a rickshaw making its way down Chandni Chowk through the streets of Old Delhi, India, Oct. 27, 2011. Melanie Stetson Freeman/Staff/File
Passengers walk through the newly-opened Maynard H. Jackson, Jr., International Terminal at Hartsfield-Jackson Atlanta International Airport in Atlanta, Ga., May 16, 2012. Tami Chappell/Reuters
Vehicles drive along M53 highway in the Khakassia region of Siberia, Russia, May 19, 2012. Ilya Naymushin/Reuters
Commuters look out the windows of a bus in Bogota, Colombia, May 15, 2012. Fernando Vergara/AP
Blanc Dalefre poses for a portrait with his bus that is decorated with the face of FC Barcelona's soccer player Lionel Messi in Port-au-Prince, Haiti, April 20, 2012. Ramon Espinosa/AP
Passengers take a ferry across Yangon river in Yangon, Myanmar, April 25, 2012. Khin Maung Win/AP
School boys wave from a bus in New Delhi, India, Nov. 4, 2011. Melanie Stetson Freeman/StaffFile
An overloaded bus passes by a flooded area in Sultan Kot village, southern Pakistan, Sept. 20, 2010. Aaron Favila/AP/File
Children enjoy a train ride on the Number 7 subway line in New York on March 23, 2006. The number 7 train runs from Times Square in Manhattan to Flushing, Queens, through a myriad of ethnic neighborhoods. Melanie Stetson Freeman/Staff/File
Harbor ferries cruise past the Opera House as they take part in the annual Ferry Race during Australia Day celebrations in Sydney, Australia, Jan. 26, 2011. Rick Rycroft/AP/File
A girl looks out of a window covered in frost on a bus moving in heavy snow in Belgrade, Serbia, Feb. 3, 2012. Darko Vojinovic/AP/File
A motor-taxi man carries his customer through a street in Phnom Penh, Cambodia, April 6, 2010. Heng Sinith/AP/File
Women ride in the 'ladies car,' which is reserved for women only, on the Delhi metro in New Delhi, India, Nov. 4, 2011. The Delhi metro, a government-run project, is sleek, efficient and crowded most hours of the day. The first line, under budget and 3 years ahead of schedule, opened in 2006. Melanie Stetson Freeman/Staff/File
Traffic flows on the 405 freeway in Los Angeles on July 13, 2011. Damian Dovarganes/AP/File
Passengers load their possessions onto the roof of a bus in Khartoum, Sudan, Oct. 28, 2010. Mohamed Nureldin Abdallah/Reuters/File
A private-licensed taxi driver waits for customers on his car in Havana, Cuba, April 27, 2012. Desmond Boylan/Reuters
Travelers pass through the security check point at Portland International Airport, in Portland, Ore., April 30, 2012. Rick Bowmer/AP
Taxis line up outside the central train station in Sendai, Japan, on June 21, 2011. One taxi driver gets out to chat with his neighbor. Melanie Stetson Freeman/Staff/File
Cyrus Fakroddin and his pet goat, Cocoa, exit the subway in New York, April 7, 2012. Fakroddin has raised Cocoa since she was 2-months-old and treats her like a human. Allison Joyce/Reuters/File
Horse-drawn carriages are the taxis in Kunduz, Afghanistan, Nov. 3, 2003. The horses often have decorated bridals. Melanie Stetson Freeman/Staff
Long Island Railroad train conductor Eric Logan waits for a delayed train to arrive as passengers board his train in Port Washington, N.Y., Feb. 26, 2010. Shannon Stapleton/Reuters/File
A mother carries her baby as she waits to board a taxi bus in Diepsloot township, South Africa, Sept. 25, 2009. Minivan taxis are the main mode of transport for the vast majority of South Africans, especially Blacks from the townships, as they travel to and from work. Including cuing, it can take hours to go short distances. Melanie Stetson Freeman/Staff/File