Police are advising motorists of potential disruption as Royal Black parades are held in various parts of the north on Saturday.
Several areas of Belfast, Killyleagh and Holywood in Co Down, Beragh and Ballygawley in Tyrone and eleven towns across Antrim and Derry will be affected by parades both in the morning and evening.
Part of the main A5 will be closed to Ballygawley traffic for five hours from noon to 5pm as a parade takes place around the Tyrone village, beginning at 12pm and heading for the Coronation Field on the Omagh Road, then returning at 3.30pm.
“Please note the A5 Omagh to Ballygawley Road will be closed at Curr Road and Moylagh Road for Ballygawley bound traffic from approximately 12pm until 5pm. Local diversions will be in place and signposted,” the PSNI said.
In nearby Beragh, delays are also expected from 10am as participants and supporters assemble at the Moylagh Road at 12.30pm for a parade through the village, again returning at 3.30pm.
Traffic disruption is expected in all parts of Belfast with parades beginning at 9.15am from Carlisle Circus to the city centre and from the Shankill to the Central Library.
In south Belfast, a parade will makes it way down the Ormeau Road from Ballynafeigh Orange Hall to Annadale Embankment at 10am, then return at 5.30pm. In the east of the city, the parade starts between 9.45am and 10am from Templemore Avenue to Station Street off the Lower Newtownards Road, returning at 5pm.
Other parades will take place in Killyleagh and Holywood as well Coleraine, Portstewart, Portrush, Rasharkin, Dunloy, Ballymoney, Bushmills, Ballycastle, Limavady, Kilrea and Garvagh.