the rail freight yards at Acacia Ridge and Park Road station, which is utilised by both passenger and freight trains. Freight trains to the Port of Brisbane utilise the dual gauge Fisherman Islands line that runs parallel to the Cleveland railway line from Park Road to Lindum. Passenger trains use the dual-gauge section of the Beenleigh railway line running parallel to the electric suburban narrow gauge of the Queensland Rail city network over the Merivale Bridge into platforms 2 and 3 at Roma Street Station. This is used by standard gauge interstate New South Wales TrainLink XPT services to Sydney. In 2012, a dual-gauge line was installed between Acacia Ridge and Bromelton to serve a new freight hub at Bromelton. The long Inland Railway, under construction in 2022, will have about of dual gauge. Bangladesh Bangladesh Railway is using three rails to avoid breaks of gauge with its broad and metre gauge lines. The new Jamuna Bridge that links the east and west rail systems is a four rail dual-gauge line. Belgium Tram tracks in Brussels once combined lines for inter-urban trams and lines for urban trams in a three-rail layout. In 1991, the interurban trams went out of service and then the network used only standard-gauge track. Bulgaria The Sofia tramway uses a mixture of narrow and standard gauge. A section of track between Krasna polyana depot and Pirotska street is dual-gauge shared by route 22 and route 11. Czech Republic In the Czech Republic, there is 2 km of dual gauge and track near Jindřichův Hradec. In 1985, its original four rails were converted to three rails. In 2004, in Jindřichův Hradec at a switch where a dual gauge railway bifurcates, a Junák express from Plzeň to Brno derailed due to a signalling error. The standard gauge train had been switched on to the narrow gauge track. France The Chemin de Fer de la Baie de Somme in France is dual gauge between Noyelles-sur-Mer and Saint-Valery-sur-Somme. The line has four rails with metre gauge laid within standard gauge. There are some dual-gauge (standard and Iberian) sidings at Cerbère on the Spanish border. Germany In the 1970s, the Stuttgarter Straßenbahnen tram lines underwent a gauge conversion from gauge to standard gauge. This was part of an upgrade to the Stuttgart Stadtbahn. In 1981, and dual-gauge track was constructed so that new DT-8 Stadtbahn cars and old trams could share