|Specifies road standard in Russia, Kazakhstan and some other CIS countries.|
|Used on these elements|
|Tools for this tag|
Road standards in Russia, Kazakhstan and some other CIS countries. It specifies materials used, profile, width, thickness, curvature and other design and safety standards.
Value is number 1 to 5. Country prefix is added just in case the key has different meaning in other countries, e.g. highway:category=kz:3;ru:3