Article L2215-9 of the French General Code of Local Authorities
Where a tunnel or bridge spans several départements, the management of rescue operations, under the responsibility of the municipal police pursuant to article L. 2212-2, is entrusted, in the event of an accident, disaster or catastrophe, for the road tunnels referred to in article L. 118-1 of the Code de la voirie routière, to the representative of the State competent to act as the administrative authority responsible for safety and…