The Compagnie du Mont-Blanc has recently announced the reopening of the Mont-Blanc tramway, up to the Nid d'Aigle this Saturday, the 22nd of June 2019.
In particular, the Mont Blanc Tramway provides access to the foot of Mont Blanc's normal route of accession.
You can read the full schedule for the Tramway du Mont-Blanc for the summer of 2019, as well as the prices.
You can check the live & updated status of the Tramway du Mont-Blanc here.