Depots Paris Métro Line 10
view of service depot @ choisy. trains on line 10 serviced depots @ auteuil, connected tracks of terminus porte d auteuil. these depots entirely underground; other tunnels, escalator located on sidewalk of avenue du géneral-sarrail provides access. depots connected line 9 well, line 9 has not used these depots since opening of @ boulogne connected pont de sèvres. both heavy , regular (batteries, tune-ups, , repainting) maintenance of trains of line 10, other trains on rail network, takes place @ depot @ choisy. opened in 1931, situated in 8th arrondissement of paris, close boulevard périphérique , accessible via junction on line 7. composed of 2 distinct sections: maintenance workshop trains of line 7 (amt), , workshop changing composition of trains on network. depot occupies total of 34,350 square metres (0.01326 sq mi). 330 agents employed @ depot in 2007.