This article lists tunnels in Bulgaria by type. The longest railway tunnel is Koznitsa, at 5.8 kilometres (3.6 mi), and the longest road tunnel is Zheleznitsa, at 2 kilometres (1.2 mi).
Railway tunnels
The following is a list of the railway tunnels in Bulgaria longer than 0.5 kilometres (0.31 mi). It does not include planned, abandoned, or unfinished tunnels. The tunnels of the Sofia Metro are not included either.
Road tunnels
The following is a list of the road tunnels with a length of 0.5 kilometres (0.31 mi) or over. It does not include tunnels under construction.
The Kresna Gorge Tunnel, if built, would have been Bulgaria's longest tunnel at over 15 kilometres (9.3 mi). It was cancelled in 2015, before construction had begun, and it will be replaced with an alternative route featuring a number of smaller tunnels.
Vitinya Tunnel, on the Hemus motorway was the longest road tunnel in the country for 40 years between its opening in 1984 and 2024. It has been surpassed by the Zheleznitsa Tunnel on the Struma motorway.
References and notes
- "Списък на тунелите [...]" (PDF). Retrieved 21 November 2020.
- A pair of tunnels; the shorter one – 440.30 m – was built in 1897.
- "Bulgaria opens 110 mln euro Zheleznitsa road tunnel for traffic". SeeNews. Retrieved 2024-02-21.
- "Тунел "Витиня" на магистрала "Хемус" вече е с нов облик". 20 September 2017. Retrieved 21 November 2020.
- "Борисов откри обходния път на Габрово, за който ЕК иска да връщаме 11 млн. лв".
- "Обход на Габрово | Община Габрово".
- "Отвориха "златния път" за "Цанков камък"". 3 August 2010. Retrieved 21 November 2020.