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Greece

In 2022, Greece's first high-speed train began operations between Athens and Thessaloniki. The 512 km (318 miles) route is covered in 3 to 4 hours with trains reaching speeds of up to 250 km/h (160 miles/h). The 180 km (112 mile) line from Athens to Patras is also being upgraded to high speed with an expected completion by 2026. The route between Athens and Thessaloniki was previously among the busiest passenger air routes in Europe.