Technical Specifications
- Length: 15.4 km (about 16.9 km until 1/1/1998; however, part of it now belongs to the district town Berchtesgaden)
- The road climbs from an altitude of 850 m in Oberau and 750 m in Obersalzberg to 1,570 m at the crest
- Maximum incline: 13%
- The turns in the southern ascending part have the smallest radius (12 m).
- Maximum transverse slope: 8 %
- Width of the road: 7 – 9 m
- Altitude difference: about 1,100 m
- Number of bridges: 14
- Longest bridge construction: 135 m (Lehnengewölbe, arched bridge at the crest)
- Highest bridge construction: 20 m (Prielgraben Bridge)
- Length of the support abutments: 1,600 m
Miscellaneous:
- About 400 parking spaces around lookout points
- Two toll stations
- Sum total of new snow in winter: 580 cm at crest level
- Costs of road maintenance: approximately two to three times higher than for main roads in the valley
