What is instructed by the following traffic signs?

Special speed: It is prohibited to drive faster than the speed that is indicated in the sign under foggy or hazy conditions.

Weight restriction – 60 tons.

Special speed limit: It is prohibited to drive faster that the speed limit that is indicated on the sign (in k.p.h).

It is prohibited to drive faster than 60 k.p.h during the night. During the day, however, it is permitted.