Congestion pricing is a surcharge system applied to public goods experiencing overuse, like roads, public transport, and utilities, during peak demand. It aims to manage congestion by regulating demand, effectively reducing overcrowding without needing to expand the supply of the good or service. Examples include higher fees during rush hour for buses, electricity, trains, roads (road pricing), airport slots, and canal usage. This approach encourages users to shift their consumption to off-peak times or explore alternative options, ultimately improving efficiency and reducing overall congestion.
In 1952, Nobel laureate William Vickrey proposed a distance- or time-based fare system for the New York City Subway.
In 1964, the Smeed Report, published by the British Ministry of Transport, considered congestion pricing but its recommendations were rejected by successive British governments.
In 1968, the first congestion pricing scheme started with higher landing fees for peak-hour use by smaller aircraft at Newark, Kennedy, and LaGuardia airports in New York City. General aviation activity during peak periods decreased by 30% as a result.
In 1972, the British Airports Authority (BAA) implemented the first peak pricing policy for commercial aviation, with surcharges varying depending on the season and time of day.
In 1975, Singapore became the first country to implement congestion pricing on its urban roads as part of the Singapore Area Licensing Scheme. This initial scheme included other comprehensive road pricing measures, stringent car ownership rules, and improvements in mass transit.
In 1975, the Singapore Area Licensing Scheme became the first implementation of congestion pricing, combining road pricing measures, car ownership rules, and improvements in mass transit.
By 1976, the British Airports Authority (BAA) had raised these peak charges.
In 1983 Hong Kong conducted a pilot test on an electronic congestion pricing system which lasted until 1985.
London-Heathrow had seven pricing structures between 1976 and 1984.
The pilot test on an electronic congestion pricing system in Hong Kong ended in 1985 with positive results.
In 1986, Bergen became the first city in Norway to introduce tolled entrances to the more central urban areas.
In 1986, Bergen, Norway, pioneered the implementation of electronic urban tolling.
In 1988, US carriers won their international arbitration case against the British Airports Authority (BAA).
In 1988, a higher landing fee for smaller aircraft at Boston's Logan Airport was adopted, leading to much of general aviation abandoning Logan for secondary airports.
In 1990, Oslo, Norway, implemented electronic urban tolling, leading to an unintended congestion pricing effect.
In 1991, Trondheim implemented electronic urban tolling with congestion pricing effects due to charges varying by time of day.
In 1991, the Athens Airport charged a 25% higher landing fee for aircraft arriving between 11:00 and 17:00 during the high tourism season. Hong Kong also charged an additional flat fee to the basic weight charge. Also In 1991, peak pricing at London's main airports Heathrow, Gatwick and Stansted was implemented; airlines were charged different landing fees for peak and off-peak operations depending on the weight of aircraft.
Since 1992, Autoroute A1 in Northern France has applied congestion prices during weekends to spread demand on the trip back to Paris on Sunday afternoons and evenings.
In 1995, California's private toll 91 Express Lanes in Orange County became one of the first practical implementations of high-occupancy toll (HOT) lanes.
In 1996, Interstate 15 in San Diego introduced high-occupancy toll (HOT) lanes.
In 1998, Singapore refined its initial congestion pricing system implemented in 1975 to improve its effectiveness.
Between 2000 and 2012 there was an overall reduction of 11% in vehicle kilometres in London.
In March 2001, the Port Authority of New York and New Jersey (PANYNJ) implemented a discount on regular toll fees during off-peak hours for vehicles paying electronically with an E-ZPass issued in New York State.
In 2001, Rome implemented a congestion pricing scheme.
In 2001, the Norwegian Parliament approved legislation to implement congestion charges in cities.
In October 2002, Durham introduced congestion charges, leading to an 85% reduction in vehicle traffic after one year.
In 2002, Edinburgh, United Kingdom, initiated an implementation process for congestion pricing.
In 2003, London implemented a congestion pricing scheme.
In 2003, testimony before the United States Congress Joint Economic Committee summarized the transport economics rationale for implementing congestion pricing, describing it as a response to the mispricing of highway capacity.
In 2020, a study of driving restrictions in Beijing estimated that congestion pricing implementation would reduce traffic, increase speed, reduce pollution and accidents, and increase tax revenues. Another 2020 study of London found that congestion pricing (introduced in 2003) led to reductions in pollution and driving overall, but it increased pollution from diesel vehicles.
In 2005, a referendum in Edinburgh rejected the congestion pricing proposal with a majority of 74.4%.
In August 2006, the highest toll for high priority passage through the Transit Slot Auction was US$220,300 charged on a tanker, bypassing a 90-ship queue due to maintenance, avoiding a seven-day delay. The normal fee would have been just US$13,430.
In December 2006, Singapore's LTA, together with IBM, started a pilot program using a traffic estimation and prediction tool (TrEPS) for real-time variable pricing.
A 2019 study of congestion pricing in Stockholm between 2006 and 2010 found that in the absence of congestion pricing that Stockholm's air would have been 5 to 15 percent more polluted between 2006 and 2010", and that young children would have suffered substantially more asthma attacks.
In 2006, San Francisco transport authorities began a feasibility study to evaluate the introduction of congestion pricing.
In 2006, Stockholm implemented a congestion tax as a seven-month trial.
In 2006, the last year before the London congestion zone was expanded, TfL observed that traffic flows were lower than in any recent year, while network traffic speeds were also lower than in any recent year.
Since 2006 there has been an increase in road works by utilities and general development activity
Since 2006, the ACP has available a 25th slot, sold through the Transit Slot Auction to the highest bidder.
In April 2007, Singapore and IBM completed a pilot program for real-time variable congestion pricing with a traffic estimation and prediction tool.
In August 2007, the United States Department of Transportation selected five metropolitan areas to initiate congestion pricing demonstration projects under the Urban Partnerships Congestion Initiative.
In 2007 Stockholm introduced congestion tax permanently.
In 2007, London extended its congestion pricing scheme.
In 2007, New York City shelved a proposal for a three-year pilot program for congestion pricing implementation in Manhattan.
In 2007, the Western Extension in London was implemented.
In 2007, the extension of the congestion charge in London had disputed effects on businesses. Some reports indicated heavy impacts due to lost sales and increased delivery costs, while others suggested higher productivity and profitability within the charge zone. Some claimed an average drop in business of 25% following the 2007 extension.
In 2007, work started on the expansion of the Panama Canal through a new third set of locks to solve long-term congestion problems.
Since 2007, Santiago de Chile has used congestion pricing during rush hours to maintain reasonable speeds within the city core.
In January 2008, Milan began a one-year trial program called Ecopass, which charged low emission standard vehicles and exempted cleaner vehicles.
Since March 2008, qualified low-emission automobiles are eligible to receive a Port Authority Green Pass, allowing for a 50% discount during off-peak hours.
In July 2008, Boris Johnson, the new Mayor of London, announced that the planned CO2 charging structure would no longer be implemented.
In October 2008, a proposal by former Mayor of London Ken Livingstone would have resulted in a new pricing structure based on potential CO2 emission rates.
In December 2008, initial congestion pricing scenarios were presented at public meetings in San Francisco.
On December 12 2008, Greater Manchester's congestion pricing scheme was overwhelmingly rejected by a public referendum across 10 councils.
In 2008, New York City left the Urban Partnerships Congestion Initiative and was replaced by Metro ExpressLanes in Los Angeles County.
In 2008, a new congestion pricing proposition for New York City was denied, leading to the reallocation of potential federal grants.
In 2008, councils from across the West Midlands in the United Kingdom rejected the idea of imposing congestion pricing schemes.
In January 2009, variable tolls were implemented at Sydney Harbour Bridge, marking Australia's first road congestion pricing scheme.
In 2009, commute delays in the first six months have dropped by an average of 15 percent compared with 2009 at the San Francisco-Oakland Bay Bridge.
The Panama Canal Authority (ACP) estimated that the canal would reach its maximum sustainable capacity between 2009 and 2012, prompting the expansion of the canal through a new third set of locks.
In July 2010 congestion tolls were implemented at the San Francisco–Oakland Bay Bridge, with higher tolls during peak hours.
In November 2010, San Francisco announced the final results of its congestion pricing feasibility study, proposing modified alternatives.
A 2019 study of congestion pricing in Stockholm between 2006 and 2010 found that in the absence of congestion pricing that Stockholm's air would have been 5 to 15 percent more polluted between 2006 and 2010", and that young children would have suffered substantially more asthma attacks.
In early 2010, a congestion pricing scheme was proposed for Guangzhou, Guangdong province, leading to public discussion.
Starting with Trondheim in 2010, time differing fees were introduced, so that rush hours cost more.
On January 4, 2011, Boris Johnson removed the 2007 Western Extension from London's congestion charging zone and increased the basic charge to £10.
In September 2011, local officials announced plans to introduce congestion pricing in Beijing.
In October 2011, the Norwegian government announced rules allowing congestion charging in cities to cut emissions and relieve traffic.
On December 31, 2011, Milan's Ecopass program ended.
In January 2012, the federal government of Brazil enacted the Urban Mobility Law, authorizing municipalities to implement congestion pricing to reduce traffic.
On January 16, 2012, Milan replaced the Ecopass program with Area C, converting the scheme from a pollution charge to a congestion charge.
In April 2012, a committee of the São Paulo city council approved a bill to introduce congestion pricing within the existing road space rationing area.
In November 2012, Transport for London (TfL) presented a proposal to abolish the Greener Vehicle Discount.
São Paulo's strategic urban development plan "SP 2040", approved in November 2012, proposes the implementation of congestion pricing by 2025.
According to the Texas A&M Transportation Institute, by 2012 there were 294 corridor-miles of HOT/Express lanes and 163 corridor-miles of HOT/Express lanes under construction in the United States.
Between 2000 and 2012 there was an overall reduction of 11% in vehicle kilometres in London.
The Panama Canal Authority (ACP) estimated that the canal would reach its maximum sustainable capacity between 2009 and 2012, prompting the expansion of the canal through a new third set of locks.
On January 1, 2013, exemptions for hybrid electric and bi-fuel natural gas vehicles from Milan's Area C charge were initially scheduled to end.
In January 2013, the Gothenburg congestion tax was implemented, modeled after the Stockholm scheme.
In March 2013, Milan made the Area C congestion pricing scheme permanent. Net earnings are used for sustainable mobility and pollution reduction initiatives.
In April 2013, the Urban Mobility Law in Brazil went into effect, allowing for the implementation of congestion pricing.
On July 1, 2013, the Ultra Low Emission Discount (ULED) went into effect, limiting free access to the congestion charge zone to selected vehicles.
In 2013, a study found that after congestion pricing was implemented in Seattle, drivers reported greater satisfaction with the routes covered by congestion pricing and reported lower stress.
In 2013, ten years since its implementation, TfL reported that the congestion charging scheme resulted in a 10% reduction in traffic volumes from baseline conditions, and an overall reduction of 11% in vehicle kilometres in London between 2000 and 2012.
As of November 2015, Norwegian authorities have implemented urban charging schemes in five additional cities or municipalities.
In December 2015, the Beijing Municipal Commission of Transport announced plans to introduce congestion charges in 2016 as part of the city's motor vehicle emission control plan.
In 2015 a six-month to one-year trial was proposed in San Francisco.
On January 2016, congestion taxes were increased in the inner-city parts of Stockholm, and congestion tax was introduced on Essingeleden motorway.
In May 2016, the Beijing city legislature announced it would consider levying traffic congestion charges by 2020 as part of measures to reform the vehicle quota system.
In June 2016, the expanded Panama Canal began commercial operation. The new locks allow transit of larger, Post-Panamax ships, which have a greater cargo capacity than the current locks are capable of handling.
As of June 2016, Beijing's environmental and transport departments are collaborating on a congestion pricing proposal.
In 2016, a study found that more people used public transportation due to increases in congestion pricing in Singapore. Another 2016 study found that real estate prices dropped by 19% within the cordoned-off areas of Singapore where congestion pricing was in place relative to the areas outside of the area.
The exemption for hybrid electric and bi-fuel natural gas vehicles from Milan's Area C charge had been postponed until December 31, 2016.
In October 2017, a new toxicity charge (T-charge) was introduced in London. Older and more polluting vehicles faced an extra £10 charge within the Congestion Charge Zone.
In 2017, Governor Andrew Cuomo reintroduced a congestion pricing proposal for New York City.
In March 2019, Cuomo's congestion pricing plan for New York City was approved.
On April 8, 2019, London's T-charge was expanded into the Ultra Low Emission Zone (ULEZ).
In 2019, a study found that without congestion pricing between 2006 and 2010, Stockholm's air would have been 5 to 15 percent more polluted, leading to more asthma attacks in young children.
In 2019, the average round trip price on Interstate 66 in the Washington, D.C., metro area was $11.88.
In 2020, a study of driving restrictions in Beijing estimated that congestion pricing implementation would reduce traffic, increase speed, reduce pollution and accidents, and increase tax revenues. Another 2020 study of London found that congestion pricing (introduced in 2003) led to reductions in pollution and driving overall, but it increased pollution from diesel vehicles.
In 2020, the average round trip price on Interstate 66 in the Washington, D.C., metro area was $5.04.
In 2020, the price to enter Oslo to the inner city and leave by passing five stations costs NOK 126 (€10,66).
In 2021, a study found that congestion pricing reduced CO2 emissions through downsizing commuting distances and housing sizes.
In 2021, the average round trip price on Interstate 66 in the Washington, D.C., metro area was $4.75.
In May 2023, the Metropolitan Transportation Authority (MTA) finalized and published the Environmental Assessment (EA) of the congestion program, including a public comment period.
The public comment period for the Environmental Assessment (EA) of the congestion program ended on June 12, 2023.
On June 22, 2023, the Federal Highway Administration (FHWA) published its Finding of No Significant Impact (FONSI) decision of the congestion pricing project.
On June 26, 2023, the Federal Highway Administration gave its final approval for New York City's congestion pricing plan, allowing the MTA to set toll rates.
On June 5, 2024, Governor Kathy Hochul announced the indefinite postponement of New York City's congestion pricing plan, originally scheduled for implementation on June 30, 2024.
In October 2024, Thailand's Ministry of Transport announced plans for a congestion charge in inner Bangkok to subsidize railway fares.
In November 2024, Governor Hochul announced an intent for the toll to go forward with a planned implementation in 5 January 2025, at a reduced rate.
On January 5, 2025, toll implementation in NYC is planned to move forward at a reduced rate.
Congestion pricing in New York City was implemented in 2025, with charges for most vehicles entering Manhattan south of 60th Street that vary throughout the day.
In 2045, projections indicated a 10.4% reduction in crossings from Brooklyn to the congestion zone, including the BQE, Manhattan and Brooklyn Bridge. There would also be a 5.4% decrease in vehicles on FDR Drive. These reductions represent 16,000 to 42,000 fewer people accessing the congestion zone in a private automobile on an average weekday.
In 2045, projections indicated a 10.4% reduction in crossings from Brooklyn to the congestion zone, including the BQE, Manhattan and Brooklyn Bridge. There would also be a 5.4% decrease in vehicles on FDR Drive. These reductions represent 16,000 to 42,000 fewer people accessing the congestion zone in a private automobile on an average weekday.