Glasgow 's Orange Walk will close more than 30 roads in the city centre for the annual Battle of the Boyne parades today.
Thousands of people are set to line the streets as dozens of marching bands from Orange lodges across Scotland descend on the city.
Marchers will set off from different parts of the city as they head for Glasgow Green with waiting and loading restrictions applying to 32 streets, including Glasgow Cross and George Square.
The use of bus lanes will also be suspended on North Hanover Street, Glassford Street, West George Street and Victoria Bridge .
Disruption is expected to last between 9am and 4pm on roads around the city centre.
While George Square, George Street, Nelson Mandela Place, Montrose Street, Cochrane Street, Anchor Lane and Dundas Street will be shut their full lengths, others will be partially shut.
There will also be road closures in West Lothian with parades taking pace in Polbeth and West Calder.
Parts of the A71 and A704 will be among the roads closed to traffic in the area.
In West Calder the roads affected are: The Glebe, Harburn Road, Parkhead Crescent, Parkhead Cottages, East End, Main Street, Dickson Street, Limefield Road, A71 (between West Calder and Addiebrownhill), Burngrange Cottages, West End, Burngrange Gardens and A704 (from A71 to West Mains Cottages).
In Polbeth the roads affected are: A71 Calder Road (between Limefield Road and Langside Gardens) and Chapelton Drive.
