Crosswind

Crosswind warning signs appear in exposed locations particularly susceptible to strong lateral winds.

Common locations include the Conor Pass in Kerry, coastal routes along the Wild Atlantic Way in Clare and Donegal, exposed sections of the N59 through Connemara, bridges crossing wide rivers or estuaries such as the Barrow Bridge and Shannon Crossing, elevated motorway sections like the M50 Red Cow interchange flyovers, and open stretches across the Curragh plains in Kildare.

Mountain passes in Wicklow and elevated coastal roads throughout Ireland display these signs.

Strong crosswinds in this area can affect vehicle stability, particularly for high-sided vehicles, motorcycles, and vehicles towing caravans or trailers.

Maintain a firm grip on the steering wheel with both hands.

Reduce speed by 10-20 km/h below the limit.

Be prepared for sudden gusts that can push your vehicle sideways.

Allow extra space when overtaking or being overtaken by large vehicles.

Watch for vehicles ahead being affected by wind.

Motorcyclists and cyclists are especially vulnerable—give them maximum space.

In extreme wind conditions, consider delaying your journey.

While the crosswind sign itself carries no penalty, losing control due to inappropriate speed in windy conditions can result in charges.

Careless driving due to speed inappropriate for weather conditions carries 2 penalty points and fines to €2,000.

Dangerous driving—particularly if loss of control endangers others—brings 5 penalty points, fines to €5,000, imprisonment, and disqualification.

If you're driving a high-sided vehicle and wind causes you to strike other vehicles or leave the carriageway, you may face charges of driving without due care for weather conditions.

Theory test questions on weather hazards include crosswinds and appropriate responses.

You must understand that high-sided vehicles, motorcycles, and vehicles with trailers are most affected, and that speed reduction and firm steering control are essential.

Practical tests conducted in windy conditions assess whether you adapt your driving appropriately: reduced speed, both hands on wheel, extra caution when passing high-sided vehicles, and increased following distances.

Examiners note whether you recognize weather conditions as a hazard factor.

Failure to adapt speed to conditions can result in Grade 2 faults or Grade 3 if safety is compromised.