Length: 36.3 km

Northern approach: 16.5 km

Tunnel length: 5.3 km

Southern approach: 14.5 km

Width:

At least 7 m wide throughout

53 % of the Highway has 3 lanes

Elevation:

The summit is 1,650 m above sea level

Mittersill: 790 m

Tunnel entrance north: 1,607 m

Tunnel entrance south: 1,632 m

Matrei: 980 m

Gradient details:

On the southern approach: average 4% (maximum 7%)

On the northern approach: average 5% (maximum 9%)

In the tunnel: northern side 2%, southern side 1%