سؤال 19

Select all that apply: which messages belong to the warning-sign family rather than imposing a regulatory order?

Traffic queues are likely ahead.پاسخ درست
A mandatory minimum speed starts here.
There is a risk of ice on the road.پاسخ درست
Vehicles are prohibited beyond this point.

توضیح

Likely traffic queues and a risk of ice are hazards about which drivers are warned in advance. A minimum-speed control and a no-vehicles control prescribe conduct, so they belong to the regulatory family instead.

توضیح

ادامهٔ این آزمون