Eleven people including two women were arrested following road blockages on Monday night.
Another Operational Standstill was held between 6pm and 8pm in locations across Northern Ireland over the removal of the Union Flag from Belfast City Hall.
Three men were arrested on suspicion of a number of offences in the Waterside area of Co Londonderry. These include obstructing the highway and disorderly behaviour.
Six men and two women were arrested in relation to a protest on the Knock Dual Carriageway in east Belfast.
Roads affected by blockages included Marine Highway at Carrickfergus, Shankill Road at Browns Square, Cambrai Street, Castlereagh Street, My Lady’s Road, Malone Road at Dub Lane, Sandy Row at Boyne Bridge, Knock Dual Carriageway at Castlereagh Road, Ballyclare Square, Coast Road in Glenarm, Rossdowney Road in Londonderry and Fountain Hill in Antrim.
One woman who vented her frustration at the effect the protests are having on bus services in east Belfast tweeted: “Another night no bus service to East Belfast! Not everyone protests some of us work and rely on that service!”
Protests have remained peaceful in recent days, after more than 30 groups in east Belfast called for an end to violence last week. Outside of Belfast protests were also planned for Carrickfergus and Portadown.
Another Operation Standstill protest is due to take place on Friday between 6pm and 8pm.