Question

Vertical rectangular signs with black letters on a white background are used as

A. guide signs.
B. regulatory signs.
C. instruction signs.
D. warning signs.

Answer 1

Vertical rectangular signs with black letters on a white background are used as regulatory signs.

Step-by-step explanation:

The vertical rectangular signs with black letters on a white background are used as regulatory signs. These signs indicate and enforce the traffic laws and regulations that drivers must follow. They provide instructions and restrictions to ensure a safe and orderly flow of traffic.