If you were studying for your Swedish driver’s license (B-körkort) around 2011, chances are you remember the iconic blue and yellow books from Bonniers Trafikskola . For many, it was the gold standard – but there was also a lesser-discussed system called TFTISO . What was it, and why did it matter back then?
Happy driving – and keep theorizing.
If you meant something specific (e.g., a software system, an exam code, or a typo for TF-Test ), feel free to clarify and I will adjust the post. Retro Drive: Looking Back at Bonniers Trafikskola 2011 & the Mysterious “TFTISO” Method