SNCF Class BB 10003 locomotive was used as a test machine for operations of the TGV-TMST on 750 V and 3000 V. In 1998 the locomotive was converted back to a non-experimental class - as SNCF BB 15007. (SNCF Class BB 15000) The results were not as good as synchronous motor technology; it was not until the introduction of GTO transistor technology that series production of an asynchronous induction motored locomotive began in France, as the "Eurostar" TGV (1992), and later the BB 36000 "Astride" (1996). SNCF Class BB 10003 The locomotive SNCF BB 10003 was an experimental prototype locomotive converted from a SNCF
China Railway No.5 Engineering Group Benin and the significantly lower prices it offers than competitors has put in question the future of Colas Group, a French construction company with long standing history in the country. In Ghana, the company is constructing the new motorway overpass, linking Spintex road to East Legon. China Railway No.5 Engineering Group The China Railway No. 5 Group (abbreviated as CR5) is a subsidiary of the transport construction conglomerate, China Railway Group Limited. Domestically it mainly constructs subway lines and high speed rail. The company is also a contractor for a rail line in Singapore. Outside of Asia, the company is