Why Tyres Burst More Often on Motorways

• Fakiha Iqbal Shah


• 5 Jun 2023

Have you ever wondered why tyres bursts more often on motorways than on regular roads? The experience of a sudden tyre blowout can be alarming and potentially dangerous. In this blog, we will delve into the factors that contribute to tyre bursts on motorways and shed light on the reasons behind this phenomenon. Understanding these factors can help drivers take proactive measures to prevent such incidents and ensure safer journeys.

Increased Speed and Heat Buildup

• The higher speeds typically maintained on motorways result in increased heat buildup within the tyres.
• Continuous driving at high speeds generates greater friction, causing the tyres to heat up more rapidly.
• The excessive heat can weaken the tyre structure and increase the chances of a blowout if the tyres are not adequately maintained.

Heavy Loads and Overloading

• Motorways often witness heavy commercial vehicles and long-distance travelers carrying substantial loads.
• Overloading a vehicle places excessive strain on the tyres, leading to increased heat generation and higher vulnerability to blowouts.
• It is crucial to adhere to recommended weight limits and ensure proper distribution of the load to avoid putting undue stress on the tyres.

Lack of Maintenance and Underinflation

• Neglecting regular tyre maintenance, such as checking air pressure and tread depth, is more common among motorway drivers.
• Underinflated tyres are prone to overheating, as the increased flexing of the sidewalls generates excess heat.
• Insufficient air pressure also reduces the tyre’s ability to dissipate heat effectively, further increasing the risk of a blowout.

Road Debris and Hazards

• Motorways often encounter a higher volume of debris, including sharp objects and tire fragments from previous incidents.
• Such debris poses a significant risk to tyre integrity, as they can puncture or damage the tyre structure, leading to sudden blowouts.
• Additionally, potholes, uneven surfaces, and road hazards on motorways can exacerbate tyre stress and increase the likelihood of a failure.

Age and Wear of Tyres

• Age and wear are important factors to consider in tyre safety.
• Older tyres, even if they appear visually intact, can develop internal weaknesses and become more susceptible to blowouts.
• Worn-out tyres with reduced tread depth provide less traction, compromising their ability to handle heat buildup effectively.

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While tyre blowouts on motorways may appear more frequent than on regular roads, understanding the underlying reasons can empower drivers to take preventive measures. Regular tyre maintenance, proper inflation, and load management are essential to mitigate the risks associated with high speeds and heat buildup. Staying vigilant, avoiding road hazards, and replacing old or worn-out tyres in a timely manner are crucial steps towards ensuring a safer and more enjoyable journey on motorways. Remember, tyre safety is a responsibility we all share for the well-being of ourselves and others on the road.