The road tunnel linking blvd Larvotto with Fontvieille opens on Tuesday 2nd March. There are 2 new lanes, one allowing direct access to Fontvieille, the other making it easier to get to the Moyenne Corniche from Fontvieille.
Links:
[1] http://www.monaco.mc/actuArticle.do?idArticle=119481#fondCentreImg-gris