The Perpignan crash occurred on about 4pm 14 December 2017 at a level crossing in the commune of Millas, in the French department of Pyrénées-Orientales, between a coach carrying high school students and a TER train, which connects Villefranche - Vernet-les-Bains and Perpignan stations.

[2][3] The road vehicle is a school bus Irisbus Récréo of the company Autocars Faur based in Toulouse that brought back 23 students.

25 of the line from Perpignan to Villefranche - Vernet-les-Bains at the place known as Los Palaus in the commune of Millas, about twenty kilometres west of Perpignan[7] on departmental road 612 (named Route de Thuir on this section).

[9] While visiting the scene, Prime Minister Édouard Philippe said that the "circumstances of this terrible drama are still undetermined.

Drugs and alcohol tests for both the train and the bus drivers were negative.