Traffic is resuming normally on passenger and freight trains beneath the English Channel after a broken rail delayed travel for thousands of people crossing between France and Britain.

The disruption frustrated many holiday travelers, and comes after a troubled year. Tunnel traffic has repeatedly been disrupted by migrants trying to sneak through it from the French port city of Calais to Britain.

Passenger train operator Eurostar said the broken rail forced all traffic to share a single track, causing lengthy delays. It said Monday that repairs had been completed.

Eurotunnel said its car and truck shuttles through the tunnel were "operating to schedule" Monday morning.

Separately, Eurotunnel security workers are planning a protest in Calais later Monday over working conditions.