可以的The t+ ticket allows you to travel on:metro linesRER lines (RATP and SNCF) within Paris (zone 1)Ile-de-France bus lines (RATP and OPTILE), except Orlybus and Roissybus (see the specific conditions below for the Noctilien network and lines with special fares: 299, 350 and 351)tramway lines (RATP and SNCF)the Montmartre funicularThe following types of connections are possible with this ticket:metro/metrometro/RER and RER/RER within Parisbus/bus (including between the RATP and OPTILE networks), bus/tram and tram/tram for 90 minutes between the first and last validationPlease note: it is not possible to make metro/bus, metro/tram, RER/bus and RER/tram connections using the same t+ ticket.