A construction worker stands near an underground MRT (Mass rapid transit system) tunnel in Jakarta, Indonesia, September 20, 2022. REUTERS/Ajeng Dinar Ulfiana 

A construction worker stands near an underground MRT (Mass rapid transit system) tunnel in Jakarta, Indonesia, September 20, 2022. REUTERS/Ajeng Dinar Ulfiana 

A man sleeps on seats aboard a a New York City subway rapid transit system, in New York City, U.S., March 16, 2022. REUTERS/Shannon Stapleton 

A woman wearing a face mask walks out from a Mass Rapid Transit (MRT) station amid the coronavirus disease (COVID-19) outbreak in Kuala Lumpur, Malaysia, February 25, 2022. REUTERS/Hasnoor Hussain 

People travel in a bus during the vaccination campaign against the coronavirus disease (COVID-19) inside a Bus Rapid Transit (BRT) station in Rio de Janeiro, Brazil October 27, 2021. REUTERS/Pilar Olivares 

People travel in a bus during the vaccination campaign against the coronavirus disease (COVID-19) inside a Bus Rapid Transit (BRT) station in Rio de Janeiro, Brazil October 27, 2021. REUTERS/Pilar Olivares 

A man receives a dose of the Pfizer-BioNTech coronavirus disease (COVID-19) vaccine at the Bus Rapid Transit (BRT) station in Rio de Janeiro, Brazil October 27, 2021. REUTERS/Pilar Olivares 

A woman receives a dose of the Pfizer-BioNTech coronavirus disease (COVID-19) vaccine at the Bus Rapid Transit (BRT) station in Rio de Janeiro, Brazil October 27, 2021. REUTERS/Pilar Olivares 

People arrive at the Bus Rapid Transit (BRT) station during a vaccination campaign against the coronavirus disease (COVID-19) in Rio de Janeiro, Brazil October 27, 2021. REUTERS/Pilar Olivares 

A woman waits for a bus inside a Bus Rapid Transit (BRT) station during the vaccination campaign against the coronavirus disease (COVID-19) in Rio de Janeiro, Brazil October 27, 2021. REUTERS/Pilar Olivares 

People wait for a bus inside a Bus Rapid Transit (BRT) station during the vaccination campaign against the coronavirus disease (COVID-19) in Rio de Janeiro, Brazil October 27, 2021. REUTERS/Pilar Olivares 

A woman receives a dose of the Pfizer-BioNTech coronavirus disease (COVID-19) vaccine at the Bus Rapid Transit (BRT) station in Rio de Janeiro, Brazil October 27, 2021. REUTERS/Pilar Olivares 

A woman receives a dose of the Pfizer-BioNTech coronavirus disease (COVID-19) vaccine at the Bus Rapid Transit (BRT) station in Rio de Janeiro, Brazil October 27, 2021. REUTERS/Pilar Olivares 

People travel on a bus during the vaccination campaign against the coronavirus disease (COVID-19) inside a Bus Rapid Transit (BRT) station in Rio de Janeiro, Brazil October 27, 2021. REUTERS/Pilar Olivares TPX IMAGES OF THE DAY 

People wait for a bus during the vaccination campaign against the coronavirus disease (COVID-19) inside a Bus Rapid Transit (BRT) station in Rio de Janeiro, Brazil October 27, 2021. REUTERS/Pilar Olivares 

Security stands guard during mass vaccination program for the coronavirus disease (COVID-19) at a Mass Rapid Transit (MRT) station, as cases surge in Jakarta, Indonesia, July 23, 2021. REUTERS/Ajeng Dinar Ulfiana 

A student reacts as he receives a dose of the vaccine against the coronavirus disease (COVID-19) during a mass vaccination program at a Mass Rapid Transit (MRT) station, as cases surge in Jakarta, Indonesia, July 23, 2021. REUTERS/Ajeng Dinar Ulfiana 

A student reacts as he receives a dose of the vaccine against the coronavirus disease (COVID-19) during a mass vaccination program at a Mass Rapid Transit (MRT) station, as cases surge in Jakarta, Indonesia, July 23, 2021. REUTERS/Ajeng Dinar Ulfiana 

A healthcare worker in personal protective equipment (PPE) checks a man's temperature with a thermal scanner before he receives a dose of the vaccine against the coronavirus disease (COVID-19) at a Mass Rapid Transit (MRT) station, as cases surge in Jakarta, Indonesia, July 23, 2021. REUTERS/Ajeng Dinar Ulfiana 

People wearing protective face masks wait to receive a dose of the coronavirus disease (COVID-19) vaccine during the mass vaccination program at a Mass Rapid Transit (MRT) station, as cases surge in Jakarta, Indonesia, July 23, 2021. REUTERS/Ajeng Dinar Ulfiana 

A view of Mass Rapid Transit train during a lockdown due to the coronavirus disease (COVID-19) outbreak, in Kuala Lumpur, Malaysia June 1, 2021. REUTERS/Lim Huey Teng 

A worker walks at the construction site of the Mass Rapid Transit (MRT) system station in Jakarta, Indonesia, May 31, 2021. REUTERS/Ajeng Dinar Ulfiana 

Workers construct the new Mass Rapid Transit (MRT) system receiving substation in Jakarta, Indonesia, May 31, 2021. REUTERS/Ajeng Dinar Ulfiana 

A worker constructs the new Mass Rapid Transit (MRT) system receiving substation in Jakarta, Indonesia, May 31, 2021. REUTERS/Ajeng Dinar Ulfiana 

Workers construct the new Mass Rapid Transit (MRT) system station shaft in Jakarta, Indonesia, May 31, 2021. REUTERS/Ajeng Dinar Ulfiana 

The electric rail DART (Dublin Area Rapid Transit) train is seen reflected in Dun Laoghaire harbour at night, amid the coronavirus disease (COVID-19) pandemic, in Dublin, Ireland, April 3, 2021. Picture taken April 3, 2021. REUTERS/Clodagh Kilcoyne 

The electric rail DART (Dublin Area Rapid Transit) train drives past Dun Laoghaire harbour at night, amid the coronavirus disease (COVID-19) pandemic, in Dublin, Ireland, April 3, 2021. Picture taken April 3, 2021. Picture taken with slow shutter speed. REUTERS/Clodagh Kilcoyne 

The electric rail DART (Dublin Area Rapid Transit) train drives past Dun Laoghaire harbour at night, amid the coronavirus disease (COVID-19) pandemic, in Dublin, Ireland, April 3, 2021. Picture taken April 3, 2021. Picture taken with slow shutter speed. REUTERS/Clodagh Kilcoyne 

The electric rail DART (Dublin Area Rapid Transit) train drives past Dun Laoghaire harbour at night, amid the coronavirus disease (COVID-19) pandemic, in Dublin, Ireland, April 3, 2021. Picture taken April 3, 2021. Picture taken with slow shutter speed. REUTERS/Clodagh Kilcoyne 

People wearing protective masks and following social distancing measures ride a Mass Rapid Transit train, amid the coronavirus disease (COVID-19) outbreak in Kuala Lumpur, Malaysia October 30, 2020. REUTERS/Lim Huey Teng 

A woman wearing protective mask passes by a mural at a Mass Rapid Transit station, following the outbreak of the coronavirus in Kuala Lumpur, Malaysia, March 3, 2020. REUTERS/Lim Huey Teng 

A worker sweeps dry leaves in front of a Mass Rapid Transit (MRT) station, temporarily closed to prevent the spread of the coronavirus disease (COVID-19) in Jakarta, Indonesia, April 28, 2020. REUTERS/Ajeng Dinar Ulfiana 

A man who is living in the New York subway system sleeps in a relatively empty station as the outbreak of the coronavirus continues in the subways of New York, U.S., April 13, 2020. Picture taken April 13, 2020. REUTERS/Lucas Jackson To match Special Report HEALTH-CORONAVIRUS/NEWYORK-HOMELESS 

Social distancing markings are seen at Westminster tube station, amid the coronavirus disease (COVID-19) outbreak, in London, Britain April 21, 2020. REUTERS/Hannah McKay 

A social distancing marking is seen at Westminster tube station, amid the coronavirus disease (COVID-19) outbreak, in London, Britain April 21, 2020. REUTERS/Hannah McKay 

A woman waits for a Chicago "L" rapid transit system train as the spread of the coronavirus disease (COVID-19) continues, in Chicago, Illinois, U.S., April 20, 2020. REUTERS/Shannon Stapleton 

A conductor on a Chicago "L" rapid transit system train looks for passengers as the spread of the coronavirus disease (COVID-19) continues, in Chicago, Illinois, U.S., April 20, 2020. REUTERS/Shannon Stapleton 

A man wearing a face mask waits for Chicago "L" rapid transit system train as the spread of the coronavirus disease (COVID-19) continues, in Chicago, Illinois, U.S., April 20, 2020. REUTERS/Shannon Stapleton 

A man walks wearing a mask underneath the Chicago "L" rapid transit system as the spread of the coronavirus disease (COVID-19) continues, in the Bucktown section of Chicago, Illinois, U.S., April 19, 2020. REUTERS/Shannon Stapleton 

A masked man walks underneath the Chicago "L" rapid transit system as the spread of the coronavirus disease (COVID-19) continues, in the Bucktown section of Chicago, Illinois, U.S., April 19, 2020. REUTERS/Shannon Stapleton 

Subway seats are marked for social distancing during the coronavirus disease (COVID-19) restrictions in Toronto, Ontario, Canada April 18, 2020. REUTERS/Chris Helgren 

A passenger receives a mask for mandatory use from next Friday onwards, inside any subway station, as a measure to contain the spread of the coronavirus disease (COVID-19), in Mexico City, Mexico April 15, 2020. REUTERS/ Edgard Garrido 

A worker disinfects at Rato metro station as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal April 15, 2020. REUTERS/Rafael Marchante 

The Senate subway at the U.S. Capitol, normally a busy spot for lawmakers to be interviewed by reporters, is empty during the coronavirus disease (COVID-19) outbreak in Washington, U.S., April 15, 2020. REUTERS/Jonathan Ernst 

An empty subway is seen during the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain April 7, 2020. REUTERS/Nacho Doce 

A man on a bicycle wearing a face masks amid an outbreak of the coronavirus disease (COVID-19), exits the Bay Area Rapid Transit public transportation system in San Francisco, California, U.S., March 30, 2020. REUTERS/Shannon Stapleton 

A woman walks down the stairs at an almost empty metro station during the coronavirus disease (COVID-19) outbreak in Madrid, Spain, March 28, 2020. REUTERS/Susana Vera TPX IMAGES OF THE DAY 

Empty escalators are seen at a deserted train station during morning rush hour after New South Wales began shutting down non-essential businesses and moving toward harsh penalties to enforce self-isolation as the spread of coronavirus disease (COVID-19) reached a "critical stage" in Sydney, Australia, March 24, 2020. REUTERS/Loren Elliott 

A view shows the entrance of a closed metro station, following the spread of the coronavirus disease (COVID-19), in Algiers, Algeria March 22, 2020. REUTERS/Ramzi Boudina 

A woman wearing protective mask and gloves, uses her phone in a Mass Rapid Transit train, during the movement control order due to the outbreak of the coronavirus disease (COVID-19), in Kuala Lumpur, Malaysia March 22, 2020. REUTERS/Lim Huey Teng TPX IMAGES OF THE DAY 

A person uses a tissue while holding the handrail on the subway following the outbreak of coronavirus disease (COVID-19), in New York City, U.S., March 18, 2020. REUTERS/Jeenah Moon 

A view shows an empty Zoloti Vorota station after metro shutdown amid coronavirus (COVID-19) concerns in central Kiev, Ukraine March 17, 2020. REUTERS/Valentyn Ogirenko 

A woman wearing a face mask sits inside a Mass Rapid Transit (MRT) train, amid the spread of the coronavirus (COVID-19), in Jakarta, Indonesia, March 17, 2020. REUTERS/Willy Kurniawan 

A man wearing a face mask sits inside a Mass Rapid Transit (MRT) train, amid the spread of the coronavirus (COVID-19), in Jakarta, Indonesia, March 17, 2020. REUTERS/Willy Kurniawan 

A man wearing a face mask walks on a platform of a Mass Rapid Transit (MRT) station, amid the spread of the coronavirus (COVID-19), in Jakarta, Indonesia, March 17, 2020. REUTERS/Willy Kurniawan 

An empty train interior of Rapid Transit System (SKM Szybka Kolej Miejska) is seen in this screen grab taken from a video, amidst concerns over the coronavirus outbreak, in Gdansk, Poland March 14, 2020. REUTERS 

People wait on the platform for the rapid transit railway, S-Bahn, train at the gate in Berlin, Germany March 13, 2020 REUTERS/Annegret Hilse 

People get off the rapid transit railway, S-Bahn, train in Berlin, Germany, March 13, 2020. REUTERS/Annegret Hilse 

People hold the handrail on the subway after further cases of coronavirus were confirmed in New York City, New York, U.S., March 6, 2020. REUTERS/Andrew Kelly 

A person uses a tissue while holding the handrail on the subway after further cases of coronavirus were confirmed in New York City, New York, U.S., March 6, 2020. REUTERS/Andrew Kelly