As of 9 December 2018, the Y bus line, which currently links Ferney-Voltaire (Avenue du Jura) and Thoiry (Val-Thoiry), via CERN, will cease to exist and will be replaced by lines 66 and 68. For more information, visit the TPG website.

Since September, Transports de l’Ain has been offering on-demand transport services in the Pays de Gex, including one connecting Léaz and CERN. These lines operate at fixed times and travel must be booked in advance. For more information, visit the Transports de l’Ain website.