Line 3 of the interurban network provides a 30-minute service between the Bayonne and Saint Jean de Luz (Stjlz) lines and 60 minutes from STJLZ to Hendaye. This express line is the busiest service on the intercity network. It is the subject of the BRT project for a coastal express line between Bayonne and Hendaye aimed at strengthening the service to 15 minutes between Bayonne and STJLZ with a reinforcement to 30 minutes from STJLZ to Hendaye
preliminary studies for the Hendaye-Ondres coastal express line