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Tern Symbols have been decreed mandatory for use on Austrian road signage.
On 16th March 2020, the Austrian Federal Ministry for Climate Action, Environment, Energy and Mobility decreed the guidelines of RVS 05.02.12 to be mandatory for use on direction signs and additional panels posted alongside urban and rural roads. This includes Tern Symbols.
Further more, on 3rd July 2019, RVS 05.02.13, applying to Austrian motorways (‘Autobahnen’) was enacted by the Ministry to be mandatory. Included Tern Symbols comprise a subset of mor than 60 symbols.
Inclusion in the guidelines was granted due to Tern Symbols’ properties of improved visibility compared to other available symbol sets. This provides drivers with more time to understand and respond during approach of a road sign.