A flexible pavement has the following class of loads during a particular hour of the day.
- $80$ buses with $2$- axles ( each axle load of $40 \: kN$)
- $160$ trucks with $2$-axles (front and rear axle loads of $40 \: kN$ and $80 \: kN$, respectively)
The equivalent standard axle load repetitions for this vehicle combination as per $IRC:37-2012$ would be
- $180$
- $240$
- $250$
- $320$