Vehicles in South Yorkshire are at risk of being blown over in high winds of 80mph as Storm Doris batters the region today, the Highways Agency has warned.
The organisation has urged drivers of high-sided vehicles, caravans and motorcycle riders in particular to travel with caution and check local weather forecasts.
A spokesperson said: "As a result of these strong winds, Highways England has issued a severe weather alert for high-sided vehicles, caravans, motorbikes and other vulnerable vehicles, which are advised to take extra care when travelling due to the increased risk of vehicles being blown over.
"Highways England is working closely with the Met Office to monitor the weather conditions, maintain safe roads and ensure reliable journeys.
"Drivers are advised to plan ahead for their journey before they set out, checking the forecast, road conditions and to leave extra time if travel conditions are poor or to delay their journey if the weather becomes severe."
The Met Office has issued an Amber Warning for the region with ferocious gusts of up to 80mph in places.