Characteristics
The Brinje Tunnel consists of two tubes, opened for traffic in 2004. Length of the northbound tunnel tube is 1,542 metres (5,059 ft), while the southbound one is 2 m shorter at 1,540 metres (5,050 ft). The northern portal of the tunnel is located at an elevation of 496 m.a.s.l., while its southern portal is found at 495 m.a.s.l. The tunnel carriageways consist of two 3.5 metres (11 ft) wide driving lanes and two 0.35 metres (1.1 ft) wide marginal strips. 0.9 metres (3.0 ft) wide inspection sidewalks are present in both of the tunnels.
The tunnel is equipped with the most recent traffic management and security systems, including video surveillance, automatic detection of congestion and variable information traffic sign systems. There are 3 passages connecting the two tunnel tubes, accessible on foot. Naturally, the tunnel also has firefighting capabilities and fire detection systems.
Electronic equipment of the tunnel facilitates use of two UHF frequencies (HR1 102.3 MHz and HR2 97.5 MHz) and use of cell phones.
Speed limit applied in the tunnel is 100 km/h.
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