Highway Code Rule 232
High-sided vehicles are most affected by windy weather, but strong gusts can also blow a car, cyclist, motorcyclist or horse rider off course. This can happen on open stretches of road exposed to strong crosswinds, or when passing bridges or gaps in hedges.
Section: Driving in adverse weather conditions (rules 226 to 237) Subsection: Windy weather (rules 232 to 233)Highway Code Rule 233
In very windy weather your vehicle may be affected by turbulence created by large vehicles. Motorcyclists are particularly affected, so keep well back from them when they are overtaking a high-sided vehicle.
Section: Driving in adverse weather conditions (rules 226 to 237) Subsection: Windy weather (rules 232 to 233)