Austrian motorways info
As of the 1st of January 2012, in accidents or traffic jams all vehicles on Austria's motorways have to make a free passage in the middle for the emergency- and hoist -services. Violation of this law will result in a fine of max. EUR 2.180, -. More info (German)
It has been mandatory since 1997 to have a Motorway Vignette (a type of road tax sticker) when driving on Austrian motorways. This applies to tourist and business traffic. Trailers/Caravans up to 3,500 kg do not require a vignette.
The Motorway Vignette can be obtained at all motorway transition points in Austria as well as at other places.
It applies to all winter sports countries that durring winter not driving with snow tyres may lead to being deemed (co-)liable for accidents because a driver using normal tyres cannot respond as well to unexpected situations. More info on snow tyres.
Exceeding the speed limit on specific motorways, the matrix signs state IG-L (Immissionsschutzgesetz-Luft) in Austria is regarded as a environmental crime. You should take into account fines are higher than normal.