Route 389 buses will be diverting from 1.45pm to 3pm due to road closures in place for a planned Police Operation protest march.
Services to the city will be diverting via Harris St, Pyrmont Bridge Rd, Western Distributor, Bathurst St, Elizabeth St, Park St, continue William St.
Services leaving the city will be diverting via College St, Wentworth Ave, Goulburn St, Elizabeth, Liverpool St, Kent St, Druitt St, Pyrmont Bridge Rd, Harris St then continue as normal.