A5 on the Alsace-Baden-Württemberg border and uses the untolled French A35 instead. Trains TER Alsace is the rail network serving Alsace. Its network is articulated around the city of Strasbourg. It is one of the most developed rail networks in France, financially sustained partly by the French railroad SNCF, and partly by the région Alsace. Because the Vosges are surmountable only by the Col de Saverne and the Belfort Gap, it has been suggested that Alsace needs to open up and get closer to France in terms of its rail links. Developments already under way or planned include: the TGV Est (Paris – Strasbourg) had its first phase brought into service in June 2007, bringing down the Strasbourg-Paris trip from 4 to 2 hours 20 minutes, and further reducing it to 1h 50m after the completion of the second phase in 2016. the TGV Rhin-Rhône between Dijon and Mulhouse (opened in 2011) a tram-train system in Mulhouse (2011) an interconnection with the German InterCityExpress, as far as Kehl (expected 2016) However, the abandoned Maurice-Lemaire tunnel towards Saint-Dié-des-Vosges was rebuilt as a toll road. Waterways Port traffic of Alsace exceeds 15 million tonnes, of which about three-quarters is centred on Strasbourg, which is the second busiest French fluvial harbour. The enlargement plan of the Rhône–Rhine Canal, intended to link up the Mediterranean Sea and Central Europe (Rhine, Danube, North Sea and Baltic Sea) was abandoned in 1998 for reasons of expense and land erosion, notably in the Doubs valley. Air traffic There are two international airports in Alsace: the international airport of Strasbourg in Entzheim the international EuroAirport Basel-Mulhouse-Freiburg, which is the seventh largest French airport in terms of traffic Strasbourg is also two hours away by road from one of the largest European airports, Frankfurt Main, and 2 hours 30 minutes from Charles de Gaulle Airport through the direct TGV service, stopping in Terminal 2. Cycling network Crossed by three EuroVelo routes the EuroVelo 5 (Via Francigena from London to Rome/Brindisi), the EuroVelo 6 (Véloroute des fleuves from Nantes to Budapest (H)) and the EuroVelo 15 (Véloroute Rhin / Rhine cycle route from Andermatt (CH) to Rotterdam (NL)). Alsace is the most bicycle-friendly region of France, with of cycle routes. The network is of a very good standard and well signposted. All the towpaths of the canals in Alsace (canal des houillères de la Sarre, canal de la Marne au