The march, originally organised by the Civil Human Rights Front, set off from Salisbury Garden in the shopping district of Tsim Sha Tsui to the West Kowloon terminus of the high-speed rail link.
In Central, more than 300 protesters in black masks carried a banner which read "Citizens cover their faces, Carrie Lam covers her heart" as they rallied.
The ban, slated to come into effect from Friday midnight, was aimed to putting a stop to nearly four months of anti-government protests in the city that started against the now-shelved extradition bill.
