By Car, Brussels
Starting from Flanders to the Capital of Belgium - via the Euroroad E40 during the week - is asking for problems - patience and time ! Aalst and Ternat - the bottlenecks - everyday - than you better take the railway (NMBS) - if they are not on strike !!
Passing Ternat and the last pumpstation "Texaco" - drive left to the center - via "Koekelberg" and drive into the famous unhealthy tunnels - this in order to get into the center! It is a shame for the Brussels environment policy !
Belgium and Brussels is easily reached by car. From Frankfurt it is about 3 - 4 hours ride.
The last time I left Frankfurt (city center) at round about 4.30pm and was already in Brussels at 8pm. I guess that was really fast cause my friend was a bit suprised. She expected me to arrive later ...
Renting a car from Midi station was convenient for me, as I had taken the train in directly from Amsterdam.... but returning the car can be tricky. Please note that the rental area is on -4 in the parking garage - a wrong turn gets you on the first floor, and there's nowhere to go from there but the exit.... stay to the extreme left and follow the signs!
I've been there with my own car but I cannot recommend you to do the same. Traffic is hell in the centre. Either you get there by train or plane or you leave your car in the outskirt and take the public transport.
I drove to brussels. This picture is from me driving to Belgiam, another time in winter, 2000. This is on the Belgian AutoRoute.
Walk, you can see a lot in the downtown area by walking. We never ventured out of that area though (for fear of getting lost)