To get to Strasbourg from CERN one can take the train via Bern, Biel, or Basel:
http://www.rome2rio.com/s/Geneva/Basel/Strasbourg
https://www.rome2rio.com/s/Geneva/Biel-Bienne/Strasbourg-France
http://www.rome2rio.com/s/Geneva/Bern/Strasbourg
Approximately taking 5 hours.
By car, the ride takes 4-4.30 hours.
All the instructions to reach the IPHC from the Strasbourg Airport, the train station or the high way can be found in the following link :
http://www.iphc.cnrs.fr/Acces-a-l-IPHC-Access-to-IPHC.html
Please scroll down to reach the English version of the page.
Details of public transportation within Strasbourg can be found here :
http://www.cts-strasbourg.eu/en/
Note that because of the emergency state in France, the bags will be controlled at the entrance.
The links below point to a map of the main entrance of IPHC and a map presenting the location of the conference room and of the restaurant, within the cite.
https://www.dropbox.com/s/utyafucttlltqou/IPHC_Entrance.png?dl=0
https://www.dropbox.com/s/zov36ppwlu4bsi9/Amphipath.pdf?dl=0
https://www.dropbox.com/s/mgpjbwzx2d4pnby/meeting_cantina.png?dl=0