Heathrow’s Congestion Problem Might Be How We Walk
- Mar 6
- 3 min read
Published: 06 March 2026
Written by: Shreya Majumder
Passenger congestion at Heathrow Airport may not be caused by infrastructure alone. According to airport leadership, everyday walking habits could be playing a surprising role.
Crowding at Heathrow Airport is usually blamed on passenger numbers, limited space, or long-debated expansion plans. But according to its chief executive, Thomas Woldbye, the real issue might be something far more human, and surprisingly simple.
People just do not walk the same way.
Speaking at an industry event, Woldbye suggested that one overlooked reason the airport often feels congested is the clash between different walking habits. British travellers naturally keep left, mirroring road traffic norms in the UK, while many visitors from mainland Europe instinctively keep right.
The result is streams of passengers moving in opposite patterns, constantly intersecting and occasionally colliding.
Nowhere does this feel more noticeable than in Terminal 5, the primary base of British Airways. While many travellers assume the terminal is simply overcrowded, Woldbye argues that the sense of congestion is partly behavioural. People are not just sharing space; they are moving through it with different unspoken rules.
His proposed solution sounds simple, almost obvious: clearer guidance on pedestrian flow, ensuring passengers moving in one direction keep to one side while those travelling the other way follow suit. It may sound minor, but at an airport handling tens of millions of passengers every year, small behavioural changes could have a noticeable operational impact.
Of course, Heathrow’s challenges extend well beyond foot traffic. Plans for a third runway, if realised, could bring millions more passengers annually, along with additional satellite terminals. Even then, Woldbye has warned that competing global hubs may still grow faster, gradually eroding London’s market share unless expansion keeps pace with demand.
At the same time, the airport is attempting to balance growth with environmental responsibility. Heathrow is accelerating efforts to increase the use of sustainable aviation fuels, establishing an £80 million incentive fund to encourage airlines to exceed minimum usage requirements.
The move follows high-profile demonstrations of cleaner fuel potential, including Virgin Atlantic’s transatlantic test flight in 2023 powered entirely by sustainable aviation fuel.
Yet challenges remain. Domestic production of sustainable aviation fuel in the UK is still developing, and while policymakers see economic opportunity, including the potential for thousands of jobs and improved energy security, progress has been slower than originally expected.
For Heathrow’s leadership, the focus now appears to be on both the big picture and the smaller operational details. Expanding infrastructure, decarbonising aviation, and competing with global hubs remain long-term priorities.
But sometimes the experience of an airport can change through something much simpler.
Managing how passengers move through a corridor, whether they keep left or right, might be just as important in making Heathrow feel less crowded tomorrow.
Key Facts
Heathrow CEO Thomas Woldbye suggests pedestrian behaviour contributes to congestion.
British travellers tend to walk on the left, while many European passengers instinctively keep right.
Heathrow is also investing £80 million to encourage greater use of sustainable aviation fuels.
Expansion plans, including a potential third runway, remain central to the airport’s long-term strategy.
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Author: Shreya Majumder Aviation staffing and consultancy insights LinkedIn
