Some London bus drivers are also set to walk out over pay and conditions. Members of Unite based in several parts of the city will walk out from 22 February.
The union is in dispute with French-owned company RATP, which operates three subsidiaries in the London bus network.
Workers at London United, which provides bus services in south and west London, will take strike action on February 22, 23 and 24.
Workers based at a depot in Epsom, Surrey, will strike on February 22 and 23, while drivers in north west London, will strike on February 22.