If the road data file is in COSIN/io format, but does not contain the data block $road_type, it is interpreted as a COSIN road track file.

COSIN road track files, among others, give a graphical representation of:

Road track files also provide an easy-to-apply definition of nominal tracks to follow with driver models and full 3D road profiles including road transversal inclination, banked curves, etc. Please contact info@ftire.com for more details on COSIN road track files.