By bus
Liège is well-connected by bus, notably in the Eurolines (http://www.eurolines.be/) network on rue des Guillemins, near the train station.
By train
Liège-Guillemins is the main station, located on the southwest part of the city.Thalys (http://www.thalys.com) and ICE (http://www.db.de/) high-speed trains serve Brussels, Paris, Aachen, Cologne and Frankfurt. Beware that unlike most train stations in Belgium, Liège-Guillemins is not a walking distance away from the city centre 20-25min. You can take a bus which cost â¬1.40 one way, or taxi which cost around 8-10 euros. The cheapest alternative being changing to another train that's heading to the station called "Liège-Palais". The fare of this trip is included in your ticket to Liège-Guillemins. The trip takes around 6 mins.
From Brussels, intercity service runs at least hourly and takes about 60 minutes from Brussels Nord. From Brussels Airport, take the airport shuttle to Leuven and take intercity service from there. From the Netherlands, connect in Maastricht. Trains run at least hourly and take about 30 minutes.
Once you are at Liège-Guillemins station, you can get to city centre by changing to a train heading for Gare du Palais, or by taking the number 1 or number 4 bus just outside the station to Place St. Lambert. Another alternative is route 48 which takes you to the Opera. Note that all routes run both ways at the stop of Liège-Guillemins station, make sure to take the buses that have either "Pl. St. Lambert" or "Opera" on their destination sign. Like aforementioned, change train to Liège-Palais station also takes you directly to centre.
By car
Liège is the crossroads for several major motorways. Its "ring" has 6 branches in clockwise order:
the E25, to the south, towards Luxembourg and into France via Metz, Nancy, Lyon
the E42, to the west, crosses Wallonia via Mons/Bergen before entering France via Valenciennes, Paris
the E40, to the west, leading to the Belgian coast via Brussels
the E313, leading to Antwerp and on to the large coastal cities of the Netherlands
the E25, to the north, with Maastricht a stone's throw away 30 km and the rest of the Netherlands beyond
the E40, to the east, entering Germany via Aachen. A second branch Actually the E42 splits off at Verviers, heading to Trier.
Since it is a fairly large city, many motorway exits are signposted for "Liège". When coming from Germany or Netherlands, follow the E25 to its end, then follow the road signs to the center. If you are coming from Luxembourg, exit at "Angleur" and follow signs to the center, or to continue on to the exit marked "Liège-centre". Finally, coming from Paris, Lille, Brussels, or Antwerp, follow signs to Luxembourg until you reach the exit marked "Liège-centre." When comming from Flanders, Liège is named as "Luik."