SNCF's Avelia Horizon Faces Tunnel Compatibility Issues Due to Historical Decisions and Design Choices
SNCF's TGV-M Avelia Horizon train, designed for high-speed travel in France, encounters compatibility issues with Italian tunnels. This stems from historical decisions, including the shift from gas turbines to electric trains post-1973 oil crisis and the choice for double-deck designs. Alstom's earlier AGV model, aimed at addressing market needs, received minimal orders. The Avelia Horizon retains many characteristics of previous designs while failing to accommodate specific international standards, particularly in Italy.
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SNCF's TGV-M Avelia Horizon train, intended for high-speed service in France, is incompatible with Italian tunnels, a problem arising from historical decisions. The transition from gas turbines to electric trains following the 1973 oil crisis led to the creation of the TGV, which later evolved into the double-deck TGV Duplex.
These design choices, combined with the lack of demand for Alstom's AGV model, resulted in the current design shortcomings. Although the Avelia Horizon is a modernized version of the Duplex, it retains issues related to loading gauge and accessibility, limiting its operational flexibility in international markets.
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