Lermooser Tunnel, Road tunnel in Tyrol, Austria
The Lermooser Tunnel is a road tunnel stretching 3168 meters through the eastern slope of Grubigstein mountain. It connects the northern entrance near Lermoos to the southern entrance near Biberwier, allowing traffic to bypass these small villages.
The tunnel was initiated by engineering firm Lässer-Feizlmayr in 1981 and officially opened on July 6, 1984. The project arose from the need to keep through-traffic away from narrow mountain villages.
The tunnel is named after Lermoos, the village just east of its north portal. Since 1984 it has carried the Fernpassstraße (B 179) through the Grubigstein, keeping through-traffic out of the narrow village centres of Lermoos, Biberwier and Ehrwald. The old road over the Fernpass remains as a local alternative, branching off near the southern portal by the Weißensee.
The tunnel operates daily for thousands of vehicles connecting the German A7 motorway to the Austrian A12. Full lighting throughout the passage ensures safe travel at any time of day.
The tunnel has only one tube, which is why Austria's ÖAMTC motoring club rated it only "sufficient" in 2004; the missing second tube was the main reason. In 2004 it carried about 8,790 vehicles a day, 11% of them lorries.
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