6.1 Railcards There are a number of Railcards offering discounted travel. Each Railcard has its own eligibility criteria and conditions of use. The details of national Railcards and Network Railcard are provided in the posts below. Additionally there are local area Railcards that are available for residents of, and use in, selected areas. For travel within the London zonal area, you can use some types of Railcards to obtain discounts on off-peak Oyster Pay-As-You-Go fares and off-peak daily caps. The discount entitlement must be loaded manually onto your Oyster card. A detailed set of instructions for ticket office staff who are unfamiliar with this transaction is provided here.