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The latest tunnels news, distilled by AI into sharp ~100-word summaries. ByteBrief tracks tunnels across dozens of tech sources and brings you only what matters, updated hourly. Tap any story for the full brief, or open the original source.

The Ryfylke Tunnel in Norway is the longest undersea road tunnel at 8.98 miles, opened in 2019 after costing 6.4 billion Norwegian Kroner. The Zigana Tunnel in Turkiye, completed in 2023, is the country's longest at 8.99 miles and cuts journey time by 20 minutes.
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