First-monsoon driving: hydroplaning physics on Indian roads and the 30-kmph rule
First-monsoon driving: hydroplaning physics on Indian roads and the 30-kmph rule
IND · Published May 28, 2026
The monsoon season in India, while providing relief from the heat, introduces significant driving hazards, primarily hydroplaning.
Hydroplaning occurs when a layer of water separates the tires from the road surface, leading to loss of control.
Experts advise adhering to a '30 kmph rule' – limiting speed to 30 kilometers per hour during heavy rain – to maintain vehicle control and reduce accident risk.

Why It's Important?

Safe driving during the monsoon season is crucial for all road users in India. Hydroplaning can affect anyone, regardless of driving experience. The 30 kmph rule is a practical guideline to mitigate risks, particularly in areas prone to heavy rainfall and waterlogging. Ignoring these precautions can lead to severe accidents, injuries, and even fatalities. Moreover, responsible driving during the monsoon contributes to smoother traffic flow and reduces the likelihood of congestion caused by accidents. By understanding the physics of hydroplaning and adopting safe driving habits, individuals can protect themselves and others on the road, making the monsoon season safer for everyone.

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