This sign means a... interval
A)recommended speed range, even if conditions are unfavourable.
B)mandatory speed range, provided that conditions are favourable.
C)recommended speed range, provided that conditions are favourable.Correct
The sign recommends maintaining speed between the indicated values, provided that the meteorological and environmental conditions of the road and traffic are favourable.
When placed below a danger warning sign, the recommendation refers to the section in which that danger persists.