In today’s world, urban transportation is a critical concern, especially in cities like London. This vibrant metropolis demonstrates a different approach to car dependency compared to many American cities, making it an intriguing case study for sustainable transport solutions. Below, we explore the nuances of London’s transportation policies and their implications for urban living.
Yves here. While London may not perfectly represent American cities, it shares a few characteristics, such as being low-rise and spread out. However, it sets itself apart with its efficient subway system, which is both clean and capable of covering long distances far more rapidly than any public transport system in the US. Buses could serve as an alternative if they can maintain reasonable speeds and reliability. From my recent visit to New York, it seems that bike lanes are primarily utilized by delivery services, leading to increased traffic congestion. Slower vehicle movement from point A to point B raises carbon emissions and diminishes the benefits of reduced vehicle numbers. Despite the presence of bus lanes in NYC, frequent incursions by cars diminish their effectiveness, resulting in buses often sharing congested roads.
This lengthy observation suggests that successfully reducing car use is likely to vary greatly from city to city. In contrast, Sydney has made remarkable strides in encouraging public transit for daily commutes, benefiting from long-term planning and investments that created efficient subways, buses, and ferries. A pivotal element of Sydney’s success has been the implementation of costly and scarce parking in its central business district (CBD).
By Sarah Wesseler, a writer and editor with more than a decade of experience covering climate change and the built environment. Originally published at Yale Climate Connections
When compared to many American cities, London stands as a model for sustainable, car-free transport options. Approximately 25% of all journeys in the UK capital are made by foot, with a significant number of cyclists visible on the streets. The city is serviced by thousands of buses—many of which are electric—and hundreds of train stations connecting both local and far-reaching destinations, including other parts of Europe.
“London is a beacon for progressive and sustainable transport policy,” stated Oliver Lord, the UK lead for transportation advocacy group Clean Cities. “Given its status as the only megacity in Europe, it also influences transportation policies across the continent.”
The local government is keen to further facilitate car-free mobility. In 2018, Mayor Sadiq Khan, currently in his third term, set an ambitious target for 80% of all trips to occur on foot, by bicycle, or via public transport by 2041, a significant rise from the initial 63%. This reduction in vehicular traffic is seen as crucial not just for climate goals, but also for enhancing public health and the quality of life for all residents.
Major initiatives have been introduced to work towards this 80% target, resulting, among other accomplishments, in a remarkable 43% increase in cycling since 2019.
Yet, London still faces challenges in meeting its overall goals. As of 2024, the percentage of trips taken by car remained largely unchanged from 2018 levels.
Traffic problems are not only persistent but worsening; London has the highest traffic congestion in Europe and ranks as the seventh worst in the world, according to transportation analytics firm INRIX. Despite efforts, climate pollution from roadway transport has seen only minor declines over the past twenty years.
“London has made significant advancements compared to a decade or two ago,” acknowledged Izzy Romilly, who heads sustainable transport initiatives at climate organization Possible. “However, we still aren’t progressing quickly enough compared to what’s needed.”
These concerns extend beyond London’s borders; Robin Hickman, a transportation and city planning professor at University College London, notes that even in other ‘progressive’ urban centers, reductions in transport-related CO2 emissions are marginal. In his 2025 book comparing sustainable transport strategies worldwide, he highlights a universal hesitance to tackle these issues effectively.
Making Driving Less Attractive
Reducing automobile dependence is essential, yet implementing such changes often faces intense public resistance.
“Research over the years indicates that merely adding bicycle lanes or creating better pedestrian areas does not automatically lead to fewer cars on the road,” noted Jamie Furlong, a transportation researcher at the University of Westminster. “We can achieve more substantial reductions in car use by making driving more challenging, which can be politically very difficult.”
While London has taken significant steps to prioritize non-motorized transport, Hickman argues these efforts remain limited on a global scale.
Real action began around the start of the century with the implementation of a congestion pricing system in 2003, which charged drivers £5 ($6.73 today) for entering designated areas on weekdays, utilizing cameras for license plate tracking. Revenue from this program was redirected to public transport improvements.
Although this initiative only affected a small portion of the city, its influence has significantly shaped the overall transportation network, according to Lord.
“This policy initially empowered the mayor at that time to launch bus lanes, freeing up some capacity on the road and providing a budget for investment initiatives.” (It subsequently served as an inspiration for New York City’s own congestion pricing strategy.)
Hickman notes that the congestion pricing program’s direct impacts were limited, primarily because restricted parking in the area already deterred some drivers.
“While it did slightly decrease traffic, it is still regarded as a minor intervention,” he explained.
In 2019, a second fee-based initiative, the Ultra Low Emission Zone, was introduced in the city center. This plan imposes a £12.50 ($16.80 today) fee for drivers of older, more polluting vehicles entering this area, with revenue again used for public transport. In 2023, it was expanded citywide, despite considerable controversy.
Low-traffic neighborhoods (LTNs), an initiative designed to limit through traffic on residential streets through cameras or physical barriers like planters and curbs, have also reshaped city dynamics. These neighborhoods offer reductions in climate and air pollution while also creating safer environments for pedestrians and cyclists. Over 100 LTNs have been established in London, although 27 were later dismantled due to resident dissatisfaction.
Generally, low-traffic neighborhoods, known as LTNs, have received positive reception or become less noticeable once established, Furlong mentioned.
“UK evidence suggests that many residents aren’t even aware they live in an LTN after installation,” he noted.
Additional efforts to curb driving include 20-mile-per-hour speed limits on half of the city’s roads and a school streets initiative that restricts vehicular access near schools during specific hours. Furthermore, the city is also making parts of Oxford Street, its main shopping area, pedestrian-only.
Recent statements by Mayor Khan have raised speculation about introducing charges for larger vehicles like SUVs. Hickman suggests that such charges, along with mileage-based fees—which Khan has ruled out—and a ban on diesel vehicles could lead to a greater reduction in car dependency.
London on Two Wheels
Certain parts of the city are becoming increasingly known for their bicycle-friendly infrastructure and the rising number of cyclists on the roads. Currently, there are 268 miles of protected bike lanes, with additional projects in the pipeline. Thanks to this investment, the cycling rate has surged by 43% between 2019 and 2026.
Despite these advances, cycling accounts for only a small fraction of overall transport; according to Hickman, around 5% of trips are made by bike, compared to an average of 27% in the Netherlands.
Moreover, the availability of cycling infrastructure is highly variable across the city.
“Significant gaps remain in the cycling network, particularly in outer London,” Furlong explained.
This issue is partly due to the 33 different local authorities managing the city’s roads. Hesitation from local officials to disrupt the established order also plays a significant role, according to Hickman: “[London] experiences delays in implementing effective cycling projects due to the controversy they may stir among car owners.”
Public Transportation
Despite the challenges faced by the cycling sector, mass transit in London has thrived, with around 8.8 million rides taken each day in 2024.
“London epitomizes a public transport city,” declared Hickman. “It enjoys very high public transport usage rates.”
London continues to roll out major mass transit projects, such as the Elizabeth Line, a regional express train that opened in 2022 at a cost of £18.8 billion ($25.3 billion).
Such projects are generally easier to implement in London than initiatives aimed at reducing car use or expanding cycling infrastructure, Hickman explained. Unlike many American cities, Londoners across various demographics view public transport positively, seeing it as crucial for economic well-being. Furthermore, UK transportation planning often prioritizes the economic impacts of projects over factors like public health and climate change.
While these trends have bolstered mass transit expansion, there is a downside. Hickman observes that major transit projects often cater disproportionately to affluent neighborhoods and business interests, linking financial hubs like Canary Wharf and Heathrow Airport but overlooking public transport needs in suburban regions.
Suburban Car Dependency
Outer London, home to over 5 million of the city’s approximately 9 million residents, exhibits a high level of car dependence. Though it encompasses a diverse range of neighborhoods, much of it was developed with cars in mind, making options for walking and biking less viable. According to a 2022 survey, only 32% of respondents from outer London felt they could live without a car, compared to 50% in inner London.
Recent governmental initiatives have aimed to enhance public transport in the suburbs, including a new orbital express bus network, additions to bus lines, and new stops along the Elizabeth Line. However, residents in outer London generally have significantly less access to public transport than those in the center.
This lack of alternatives creates a cycle that complicates efforts to reduce car use. Many suburban residents are financially tied to car ownership, making them resistant to proposals to improve public transport or encourage cycling. “They may incur a significant financial burden from car ownership, and when told they should rely solely on public transit or cycling, that suggestion is often unwelcome,” Hickman noted.
Political factors also play a crucial role. Many areas in outer London are governed by conservative officials who are resistant to modifications in transportation systems.
“There is an apprehension among right-leaning councils regarding any constraints on personal freedom, particularly in relation to driving,” stated Sharon Erdman, a volunteer coordinator at Mums for Lungs, an organization focused on air quality issues. “We want to emphasize that it’s not solely about individual driving rights but also about the broader public health implications.”
Jane Dutton, a digital communications manager with Mums for Lungs who resides in outer London, described her borough leaders as archetypal suburban officials determinedly opposing sustainable transport measures.
“The leadership is outspokenly against initiatives like the ultralow emission zone, dismissing them as unnecessary. They strongly support cars over walking and cycling,” she remarked.
Moreover, even elected officials who are sympathetic toward reducing car dependency often hesitate to take bold actions. In one borough, according to Erdman, “the council leader openly admitted to being guided by public sentiment.”
Considering local authorities control road management within their jurisdictions, these dynamics have significant real-world consequences.
“Ultimately, if a borough does not want to pursue specific initiatives, they can easily refuse to do so,” Dutton explained.
Political Will and Public Imagination
For meaningful progress in reducing car dependency, stronger leadership from the government is necessary, according to campaigner Izzy Romilly.
“There is political apprehension in the UK when it comes to challenging car dependency,” she noted. “However, discussions with the public show consistent desires for less traffic and congestion. Support for better public transport is exceptionally high. The solution lies primarily in political commitment.”
Public engagement is equally crucial. Currently, Hickman states, “there is a lack of vibrant public discourse about the transportation system people truly desire.” He believes a better discussion is essential for reallocating road space from vehicles to walking and cycling initiatives.
