Users of the Forth Road Bridge are warned to expect significant disruption on Wednesday due to very strong winds.
The bridge is expected to be closed to all vehicles except cars throughout the day.
Public transport is likely to be affected, with winds forecast in excess of the level at which buses would be permitted to cross.
Hauliers are advised to plan an alternative route.
Car drivers are advised to check the weather forecast and adjust their travel plans as required.
The bridge is also expected to be closed to cyclists and pedestrians for most of the day.
Barry Colford, Chief Engineer, said: "The Met Office produces a site-specific weather forecast for the Forth Road Bridge using the very best data available. Although there is some margin for error, the latest forecast indicates winds at a level that would cause significant disruption to bridge traffic.
"We don't expect the bridge to close to cars, but we would still advise all bridge users to keep an eye on the weather and plan accordingly."
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