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Navigating Flooded Roads: Tips for Safe Driving During Heavy Rain

Climate change has brought forth unusually heavy rains in many parts of the world while bringing heatwaves and droughts to others. Places hit by unusually heavy rains can quickly transform road into hazardous waterways, presenting challenges for drivers.


flooded roads

Image: AP Photo/Bryan Woolston


Navigating flooded roads requires caution, preparation, and adherence to safety guidelines. Let's explore essential tips to help drivers navigate safely through flooded areas and minimize the risks associated with driving in adverse weather conditions.


Turn Around, Don't Drown

The cardinal rule for driving through floods is to avoid it whenever possible. If you encounter a flooded road, "Turn Around, Don't Drown." It is safer to find an alternative route or wait until the water recedes than to risk driving through high water levels.


Check Weather Forecasts

Stay informed about weather conditions before embarking on your journey by subscribing to your local news channels. If heavy rain is anticipated, consider delaying your trip or finding alternative transportation. Being aware of potential flooding situations allows you to plan and make informed decisions.


Weather map of Malaysia and Indonesia, showing wind speed with arrows and rainfall intensity in shades of blue and green.

Screengrab: ASEAN Specialised Meteorological Centre


Maintain a Safe Distance

If you must drive in heavy rain, maintain a safe following distance from other vehicles. Reduced visibility and slippery roads can increase braking distances, so allowing ample space between vehicles is crucial.


Use Headlights and Turn Signals

Turn on your headlights to enhance visibility, and use your turn signals to communicate your intentions to other drivers. Proper signaling is especially important in low-visibility conditions to prevent collisions.


car in flooded waters

Image: Getty Images/Gerrado Mora


Drive Slowly and Carefully

Reduce your speed when driving through heavy rain or flooded areas. Hydroplaning (where your tires lose contact with the road surface, resulting in a loss of traction and an inability to steer the car) is a significant risk, and slower speeds decrease the likelihood of losing control of your vehicle on wet roads.


Avoid Standing Water

Standing water may be deeper than it appears, posing a serious risk to your vehicle and safety. Even a seemingly shallow puddle can hide hazards like debris or a washed-out road. If in doubt, find an alternative route.


White pickup drives through flooded street. Trees and traffic signs in the background. A person wades on the right side, cloudy skies above.

Image: Shootthedevgru


Stay on the Highest Portion of the Road

If you must drive through water, stay on the highest portion of the road. Water levels are often lower at the center, reducing the risk of stalling or flooding your vehicle's engine.


Test Brakes After Crossing

After driving through a flooded area, test your brakes by lightly tapping them to ensure they are functioning correctly. Wet brakes may require additional distance to stop, so proceed with caution.


Know Your Vehicle's Limits

Understand the capabilities and limitations of your vehicle, especially if you are driving in adverse conditions. Four-wheel drive may offer better traction, but it does not make your vehicle immune to the dangers of flooding.


damage to a flooded car

Image: Bjak


Do not start a stalled, stranded vehicle

When your vehicle stalls or becomes stranded in flooded waters, it may be tempting to try restarting it immediately. However, doing so can be risky and may cause further damage. If your car stalls, it could indicate underlying mechanical or electrical issues that need professional attention.


If the vehicle is stranded in a hazardous location, such as on the shoulder of a busy highway or in deep water, attempting to restart it could compromise your safety. Instead, it is safer to call for roadside assistance or a tow service to properly address the problem. Prioritizing safety and professional assessment can prevent minor issues from becoming costly repairs and ensure you and your passengers remain safe.


Stay Informed and Be Patient

Listen to weather updates and road condition reports during heavy rain. If authorities advise against travel or recommend specific routes, heed their advice. Patience is key when dealing with adverse weather, and waiting for conditions to improve is often the safest choice.


flooding in Singapore

Driving safely through a flood or heavy rain requires a combination of preparedness, caution, and adherence to safety guidelines. Prioritizing your safety and the safety of others on the road is paramount. By staying informed and practicing safe driving habits, you can minimize the risks associated with driving in challenging weather conditions.


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