mass_limit_per_axle_count[]: 18000 # 2-axle vehicle
mass_limit_per_axle_count[]: 26000 # 3-axle vehicle
mass_limit_per_axle_count[]: 38000 # etc...4-axle vehicle mass_limit_per_axle_count[]: 40000 # 5-axle vehicle
mass_limit_per_axle_count[]: 44000 # 6 and more-axle vehicle
}