for information about the closing of the tunnels :
http://www.tunnels2012.be
You could also consider using a bike for your daily commute.
Service bikes can be taken home for the night, exceptionally
Villo bikes are available throughout Brussels (www.villo.be)
This is the time to use your own bike daily,if you have one
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Et si vous choisissez la voiture, faites attention à nous !
En neem je toch de auto, let dan goed op de fietsers!
If you do drive, please consider the cyclists!