Access to IRAM France

From Paris - Gare de Lyon railway station
From Monday to Friday, there are trains called TGV (Train Grande Vitesse) every 2-1 hours roughly, from 6:40am to 7:40pm.
Check with your travel agency for exact time.
Less frequent for weekends and holidays.
The journey lasts 3H and costs between 60,90euros and 76,20euros for 2nd class tickets 99,40euros for 1st class tickets (+ reservation, roughly 4,50euros).
 

To Paris - Gare de Lyon railway station
From Monday to Friday there are 3-4 TGV's per day from 5:37am to 7:16pm.
There are more TGV between Paris and Lyon and the journey lasts only 2 hours but normal trains between Grenoble and Lyon take 2 hours. In all cases, check with a travel agency or at a railway station. On TGV you must have a reservation !
 

From Lyon Saint-Exupery airport to Grenoble
There are shuttle buses going from Lyon Saint-Exupery to Grenoble (and vice versa) managed by the company Faure.
The journey lasts about 1:05H. Return ticket price : 33euros. Take the bus at the arrival level. 
The tickets may be bought at the arrival level or in the bus.
There are buses from 7:30am to 9:45pm every hour or less, during the week from Monday to Friday. Less frequent for weekends and holidays. For detailed information, please refer to the website of the bus company. The final stop is the Grenoble bus station close to the railway and tram station.
 

Grenoble to Saint-Exupery
Take the bus at the Grenoble bus station close to the railway and tram station. 
Tickets should be bought in the bus station terminal.
There are buses from 5:00am to 7:00pm every hour or less during the week from Monday to Friday, and less frequent for weekends and holidays. Please refer to the website of the bus company for details. 
The final stop is at the airport departure level.
 

From Geneva Cointrin airport
There is a direct service with mini-buses between the Geneva airport and Grenoble (railway station). Contact a travel agency for their schedules and price (around 30euros).
Another cheaper solution is to travel by train between Geneva and Grenoble. Take a train from the airport to Geneva Cornavin central station (about very 15 minutes) where you can find a train to Grenoble. However it is a long journey (2h) and the frequency of the trains is low (4 per day).
 

From the Grenoble railway station
Use tram line B from the railway station to the campus of St Martin d'Hères. Tickets should be bought from a dispenser and stamped before entering the tram.
Get off at Les Taillées (after having crossed first the highway, then the river Isère). Approximate duration : 20 minutes. There are trams about every 10' (6' in peak hours). Walk to IRAM at 300 Rue de la Piscine. Download a map of the city center
 

On the campus
Walk along the street Rue de la Piscine to go to IRAM (number 300). It is only a 5' walk from the tram stop Les Taillées, direction north/east. Download a map of the campus