Following a rockfall on 18 February 2002, which killed a man, the Government concluded that the risk of further such incidents was too great, and the tunnel was closed indefinitely.
Setelah longsor batu tanggal 18 Februari 2002 yang menewaskan seorang pria, Pemerintah memutuskan bahwa risiko insiden semacam itu terlallu besar, dan terowongan ditutup sampai waktu yang tidak ditentukan.