Before revision: The rail service may be replaced if the line is closed because of rail maintenance, a breakdown of a train, a rail accident or a strike action or to simply provide additional capacity or if the rail service is not economically viable.
After revision: deemedThe rail service may be replaced if the line is closed because of rail maintenance, a breakdown of a train, a rail accident or a strike action or to simply provide additional capacity or if the rail service is not economically viable.