Episode 2 of 2

Official Opening to Traffic

When
17 September 1871
Where
Fréjus Rail Tunnel
Part of
Fréjus Rail Tunnel through the Alps completed

The Fréjus Tunnel was officially opened to traffic on 17 September 1871, facilitating a new era of interaction between France and Italy.

The official opening to traffic occurred on 17 September 1871, marking the transition from construction to operational service. The Mont Cenis Pass Railway, which had operated alongside the pass road since 1868, was dismantled in 1871 upon the tunnel's opening.

Sources

  1. Fréjus Rail Tunnel Wikipedia, revision of 2026-07-23
  2. Mont Cenis Wikipedia, revision of 2026-08-30

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.