From the south via A7

After Vienne, take the A46 Rocade Est then take the A43 towards Lyon Mermoz.
At the end of the highway after 3 traffic lights turn right (Bd Ambroise Pare),
Then after 2 traffic lights turn left (rue Laennec),
Then one more traffic lights turn left (street Longefer).
You are at the intersection with Rue Seignemartin.