Police, the Highways Agency and local councils are today warning of chaos on the roads around the Olympics.
With cycling and rowing near the M25 drivers, are being warned to expect long delays.
Despite substantial investment in the roads to Weymouth, the Highways Agency says visitors should also allow for plenty of time to get to the sailing events.
More top news
The Transport Select Committee says the government needs to demonstrate that a lorry park will be the best solution for Operation Stack.
Simon's Blog - That Was The Month That Was...
Tuesday night's forecast for the west of the region