If you drive a car whose length is up to 6 m, what's the maximum speed at which you can drive on a road once you go past this sign?

In accordance with the Road Traffic Act, the maximum permitted speed for a bus on a dual-carriageway expressway, a motorway, or another dual-carriageway road outside a built-up area is 80 km/h. This speed can be increased to 100 km/h only if the bus meets additional technical requirements. As the question does not contain information about these conditions being met, the general, lower speed limit applies.