Located in the northern Indian state of Uttar Pradesh, the village of Khurja frequently sees commuters and students alike piling onto passenger buses.
In Bangladesh, people are getting wealthier faster than the country can expand its infrastructure. The government in Dhaka, the capital city, plans to begin construction on a rapid transit system by 2019.
While heavily trafficked during the day, Bogota's Transmilenio bus system is seldom used at night. Recently, the capital city was judged to have the most unsafe public transit system out of 15 other capitals and New York.
The Caracas Metro, in Venezuela, is the fourth-largest rail line in Latin America, with 1.3 million people boarding trains daily.
next slide will load in 15 secondsSkip AdSkip AdClapham Junction, London. Unlike its world-renowned tube service, the city's overground rail regularly exceeds its max capacity by at least 40% during peak hours, according to one report.
Still, the sheer volume of passengers during rush hour can overwhelm London's underground system, too. The Tube serves an estimated 1.2 billion passengers a year.
In São Paulo, South America's largest city, more than 1.5 million people use the trains each day. The Se Metro station, pictured below, is one of the city's busiest.
Despite a population of 20 million, São Paulo's metropolitan area has only 45 miles of underground track.
Ikebukuro station is part of the East Japan Railway Company, the largest rail operator in the world. Attendants patrolling the station must physically push riders onto the trains to accommodate the traffic.
next slide will load in 15 secondsSkip AdSkip AdRush hour in Beijing frequently features packed corridors and long lines to board trains. In 2008, foot traffic was even worse in preparation for the Olympic Games.
This can result in horrible traffic jams and wait times of three hours just to travel nine miles.
Grand Central Terminal sees roughly 750,000 people pass through each day, making it the single busiest station in New York City.
Riders in Beijing crowd into a subway car at rush hour. The woman's face says it all: We'll walk from here.