Question

look at these signs. they both mean the same thing. why is one more effective than the other.?
please answer I will Mark you brainlist and like your answers​

Answer 1

Answer:

the first sign means u have to stay on the road at 30mph.

the second is used at highways where it is neccesary to stay within limit (here limit=30mph).

hope this clears your doubt

Answer 2

Answer:

this is because if someone will not understand what is the meaning of this sign so they can read this other signboard. and the reason can be this also it is an accidental area...............

Explanation:

HOPE IT'S HELPFUL TO YOU........

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