Country data has new attribute called '''mass_limit_per_axle_count'''. It is an array definining maximum allowed mass limit in KG of the vehicle with the given amount of axles in the following countries.
The first element is describing mass limit for vehicle with 2 axles, second 3 axles etc. If vehicle has more axles than defined mass limits last entry will be used.
<pre>
mass_limit_per_axle_count[]: 38000 # etc...
mass_limit_per_axle_count[]: 40000
mass_limit_per_axle_count[]: 44000 # 6 and more-axle vehicle
}
</pre>