More than 150,000 people are expected to attend this year's Durham Miners' Gala.
Bands, banners and thousands of members of the public have started gathering at the city's Market Place.
Drivers are being warned to keep roads in Durham city clear or face the risk of having their cars towed away.
Durham Miners’ Association tells ITV Tyne Tees tomorrow's Gala is more important than ever, as Jeremy Corbyn meets Labour's grassroots.
Durham Police are warning drivers their cars could be removed if they flout parking restrictions at this year's Durham Miners' Gala