They massed at the City Gate, causing a serious traffic gridlock on the busy highway despite the ban on protests and rallies by the Federal Capital Authorities.
The demonstrators also sang the national anthem as they marched on the road.
But the protesters dismissed the directive, stating that the FCT Administration had no constitutional power to halt protests in the city.
The protesters were seen moving from the city gate towards the Central Business District at the time of filing this report.
They could be heard singing solitary songs and chanting End SARS in Nigeria.
The youths barricaded the expressway preventing vehicular movement on the ever- busy road.
The protests also caused gridlock along Area one roundabout.