The PSNI has released the details of traffic disruptions to be expected in Derry tomorrow.
Major distuption is expected as a flag protest is held on the Waterside at the same time as the annual Bloody Sunday Commemoration Parade on the Cityside.
There has been strong opposition to plans to hold a parade in protest of the restricted dates the the Union Flag will be flown of City Hall in Belfast at the same time a parade commemorates those who dies on Bloody Sunday.
However both will go ahead.
The Bloody Sunday Commemoration Parade will take place in the Creggan, Brandywell and Bogside areas of the City on Sunday afternoon.
At around 2.30pm the parade will leave Central Drive in Creggan and is is expected to disperse at around 5.30pm from the Rossville Street / Free Derry Corner area.
The area around Rossville Street will be closed to traffic from around 4.30pm to 5.30pm.
A Loyalist Civil Rights parade will gather at Bond Street at around 2.30pm and follow a route from - Glendermott Road - Irish Street and will return and disperse at the Health Centre on Glendermott Road at around 3.30pm.
Motorists are advised to seek alternative routes as traffic will be delayed and roads may be closed for a short time.