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Accueil du site de la Tag, le réseau de la SMTC Transports de

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Contact us

Preparing your trip, information about the network etc., and all useful contacts to guide you

Suggestions and complaints

Postal adress


CS 70258

38044 Grenoble Cedex 9

Physical adress

SEMITAG - Le Stratège

15 rue Salvador Allende


Do you want to contact us to make a comment, ask a question, or make a complaint?

Do you have a question about rates? Do you need advice to plan your trip?

Go to the Agences de Mobilité or to a Service Point. They are there to help you.


Telephone advisers are available to you between 8.00 am and 6.30 pm in order to answer all your questions.

Price of a local cost from a landline in France.

English-speaking contact persons




Would you like to find out about disruptions on the network? You can find out about any current or forthcoming disruption to your bus or tram line service thanks to Info Trafic! Available 24/7 only in France. 


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